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  1. 1997

  2. Searches for periodicity in the light curves of active extragalactic objects: Results for BL Lac and OJ287

    Hagen-Thorn, V. A., Marchenko, S. G., Mikolaichuk, O. V. & Yakovleva, V. A., Mar 1997, In: Astronomy Reports. 41, 2, p. 154-159 6 p.

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

  3. On a rapid lithium enrichment and depletion of K giant stars

    De La Reza, R., Drake, N. A., Da Silva, L., Torres, C. A. O. & Martin, E. L., 1 Jan 1997, In: Astrophysical Journal. 482, 1 PART II, p. L77-L80

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

  4. A search for periodicity in the light curves of active galaxies: Analysis techniques and results for 3C 120

    Hagen-Thorn, V. A., Marchenko, S. G., Mikolaichuk, O. V. & Yakovleva, V. A., Jan 1997, In: Astronomy Reports. 41, 1, p. 1-9 9 p.

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

  5. EPISODIC MASS LOSS AND RAPID LITHIUM ENRICHMENT AND DEPLETION IN K GIANTS

    De La Reza, R., Drake, N. A. & Da Silva, L., 1997, In: Astrophysics and Space Science. 255, 1-2, p. 251-292

    Research output: Contribution to journal › Article

  6. 1996

  7. 3C 345: The variable component responsible for brightness increase of the object in the near-IR and optical regions in the early 1990's

    Hagen-Thorn, V. A., Marchenko, S. G., Takalo, L. O. & Sillanpää, A., 1 Feb 1996, In: Astronomy and Astrophysics. 306, 1, p. 23-26 4 p.

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

  8. 1990

  9. Variable sources in BL Lac objects: Energy distribution in the optical range deduced from multicolor photometry

    Gagen-Torn, V. A., Marchenko, S. G. & Mikolaichuk, O. B., May 1990, In: Astrophysics. 32, 3, p. 244-251 8 p.

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

  10. 1989

  11. Separation of radiation components and estimates of the red shifts of the BL Lac objects OQ 530 and OI 090.4 on the basis of photometric data

    Gagen-Torn, V. A. & Marchenko, S. G., Sep 1989, In: Astrophysics. 31, 2, p. 551-556 6 p.

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

  12. Connection between the variability of BL Lac in the radio and optical ranges

    Belov, V. N., Gagen-Torn, V. A. & Marchenko, S. G., Jan 1989, In: Astrophysics. 30, 1, p. 1-6 6 p.

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

  13. 1986

  14. Polarimetric and photometric studies of BL Lac. Analysis of the observational data. II

    Gagen-Torn, V. A., Marchenko, S. G. & Yakovleva, V. A., Nov 1986, In: Astrophysics. 25, 3, p. 634-640 7 p.

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

  15. 1985

  16. Photometric and polarimetric study of two BL Lac objects

    Marchenko, S. G., Jan 1985, In: Astrophysics. 22, 1, p. 7-13 7 p.

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

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