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  1. 1993

  2. Studies of regular precessions of a symmetric satellite by means of computer algebra

    Shevchenko, I. I. & Sokolsky, A. G., 1 Aug 1993, Proceedings of the 1993 International Symposium on Symbolic and Algebraic Computation, ISSAC 1993. Bronstein, M. (ed.). Association for Computing Machinery, p. 65-67 3 p. (Proceedings of the International Symposium on Symbolic and Algebraic Computation, ISSAC).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

  3. On verification of the asymptotic model of the first kind

    Shevchenko, I. I., 1 Apr 1993, In: Astrophysics and Space Science. 202, 1, p. 45-56 12 p.

    Research output: Contribution to journal › Article › peer-review

  4. Algorithms for normalization of Hamiltonian systems by means of computer algebra

    Shevchenko, I. I. & Sokolsky, A. G., 1 Jan 1993, In: Computer Physics Communications. 77, 1, p. 11-18 8 p.

    Research output: Contribution to journal › Article › peer-review

  5. Algorithms of numeric deduction of analytical expressions

    Шевченко, И. И. & Васильев, Н. Н., 1993, In: ACM SIGSAM Bulletin. 27, 1, p. 1-3 3 p.

    Research output: Contribution to journal › Article › peer-review

  6. 1988

  7. Rapid spectral variability of active nuclei of galaxies. Amplitudes of variations in lines

    Shevchenko, I. I., 1 Jan 1988, In: Astrophysics. 28, 1, p. 35-42 8 p.

    Research output: Contribution to journal › Article › peer-review

  8. 1985

  9. Line Emitting Clouds in the Broad-Line Regions of Active Galactic Nuclei - Geometry and Phase Functions

    Шевченко, И. И., 1985, In: Soviet astronomy letters. 11, p. 178-180

    Research output: Contribution to journal › Article › peer-review

  10. The Structure of the Broad-Line Region in NGC4151

    Шевченко, И. И., 1985, In: Soviet astronomy letters. 11, p. 35-37

    Research output: Contribution to journal › Article › peer-review

  11. 1984

  12. Stages of evolution and extended radio structures of active nuclei of galaxies

    Shevchenko, I. I., 1 May 1984, In: Astrophysics. 20, 3, p. 297-302 6 p.

    Research output: Contribution to journal › Article › peer-review

  13. The lag between continuum and line flares, and the spatial structure of Seyfert broad-line regions

    Шевченко, И. И., 1984, In: Soviet astronomy letters. 10, p. 377-379

    Research output: Contribution to journal › Article › peer-review

  14. 1982

  15. Optical variability and radio structure of extragalactic sources. Evidence of recurrent activity

    Gagen-Torn, V. A. & Shevchenko, I. I., Apr 1982, In: Astrophysics. 18, 2, p. 150-156 7 p.

    Research output: Contribution to journal › Article › peer-review

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