# Ishkhan Khachatryan's Publications (Full profile)

### Paper

- Investigation of some problems of functional analysis in linear spaces with limit operation of a sequence, Uchonie Zapiski, Yerevan State University, (in Russian), (2), pp. 3-43, (2002)
- On inverse scattering problem for differential operator of arbitrary order with coefficients integrable on the whole axis. II, Izv. Nacionalnoy Acad. Nauk Armenii, Matematika, (in Russian). , 30, (1), (1995)
- On the construction of regular binomial differential operator of arbitrary even order by means of its spectrum, Uchonie Zapiski, Yerevan State University, (in Russian), (2), pp. 8-22, (1994)
- On inverse scattering problem for differential operator of arbitrary order with coefficients integrable on the whole axis. I, Izv. Nacionalnoy Acad. Nauk Armenii, Matematika, (in Russian). , 29, (5), pp. 557-569, (1994)
- Solvability of integral equations with L-convolution type operators, Izv. Nacionalnoy Acad. Nauk Armenii, Matematika, (in Russian). , 29, (6), (1994)
- Asimptotical formula for eigen-values of the regular binomial differential operator of arbitrary even order, Uchonie Zapiski, Yerevan State University, (in Russian), (1), pp. 3-18, (1994)
- On transformation operator for integro-differential equations of higher order, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 24, (6), pp. 557-569, (1989)
- Fourier expansion by means of a minimal system of generalized eigenfunctions of self-adjoint differential operator, Dokl. Acad. Nauk Arm. SSR, 87, (3), pp. 111-114, (1988)
- On scattering operators for a pair of differential operators of higher order, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 21, (1), pp. 3-17, (1986)
- On a trace formula, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 20, (1), pp. 41-52, (1985)
- On inversion formulas connected with self-adjoin differential operators, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 19, (4), pp. 265-279, (1984)
- On some trace formulas, Dokl. Acad. Nauk Arm. SSR, (in Russian), 78, (1), pp. 23-27, (1984)
- On some solutions of non-linear string equation, Dokl. Acad. Nauk Arm. SSR, (in Russian), 78, (3), pp. 108-112, (1984)
- On some inverse problems for high order differential operators on a semi-axis, Funk. analyz i prilozhenia, 40-52 (in Russian), 17, (1), (1983)
- On inverse scattering problem for high order differential operators, Uspekhi Mat. Nauk (UMN), (230), (in Russian), 38, (2), pp. 229-230, (1983)
- On an inverse problem for differential operators of higher order on the whole axis, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 18, (5), pp. 394-402, (1983)
- Investigation of point spectrum of ordinary singular differential operator, Dokl. Acad. Nauk Arm. SSR, (in Russian), 76, (3), pp. 103-105, (1983)
- Necessary and sufficient conditions of solvability of inverse scattering problem for high order differential operators on a semi-axis, Dokl. Acad. Nauk Arm. SSR, (in Russian), 77, (2), pp. 55-58, (1983)
- Investigation of the solutions of an ordinary singular differential equations, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 17, (3), pp. 159-181, (1982)
- The transformation operators for the boundary problems, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 15, (1), pp. 30-44, (1980)
- On one inverse problem, Dokl. Acad. Nauk Arm. SSR, (in Russian), 70, (3), pp. 160-166, (1980)
- On uniqueness of construction of differential operator with analytic coefficients by means of its spectral matrix-function, Dokl. Acad. Nauk Arm. SSR, (in Russian), 71, (2), pp. 91-97, (1980)
- On the existence of a transformation operator for high order differential equations, which preserves the asymptotics of solutions, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian). , 14, (6), pp. 424-445, (1979)
- On the transformation operators for high order differential equations, Izv. Acad. Nauk Arm. SSR, Matematika, (in Russian), 13, (3), pp. 215-237, (1978)
- On construction of differential equation by means of its spectrum, Funk. analyz i prilozhenia, 93-94 (in Russian), 10, (1), (1976)
- On an inverse problem in the theory of shells, Izv. Acad. Nauk Arm. SSR, Matematika, 307-316 (in Russian), 10, (4), (1975)

### Book

- Spaces with limit operation, Yerevan State University Press, Yerevan (in Russian), pp. 448, (1999)

### Preprint

- On construction of differential equation by means of its spectrum, Institut problem mekhaniki Acad. Nauk SSSR, preprint, Moscow, 37 pp. (in Russian), (73), (1976)