1. UBV-photometry of flare stars in the Pleiades

   • O. S. Chavushyan
   • A. T. Garibjanyan

   OriginalPaper Pages: 379 - 388

2. New Hα-emission stars in the region of the nebulae IC 5068-70 and NGC 7000

   • M. K. Tsvetkov

   OriginalPaper Pages: 389 - 394

3. Spectrophotometry of two ultraviolet stars observed by Orion-2

   • G. A. Gurzadyan
   • Dzh B. Oganesyan

   OriginalPaper Pages: 394 - 398

4. The WN 5+O6 eclipsing system V444 cygni in the γ4686 He II, γ6563 He II+Hα, and γ7112 N IV emission lines

   • Kh. F. Khaliullin
   • A. M. Cherepashchuk

   OriginalPaper Pages: 399 - 408

5. Physical conditions in the nebula NGC 2359

   • I. F. Malov
   • V. S. Artyukh
   • V. M. Malofeev

   OriginalPaper Pages: 408 - 413

6. Four-color surface photometry of Markaryan galaxies III. Galaxies nos. 11, 12, and 13

   • F. Boerngen
   • A. I. Kalloglyan

   OriginalPaper Pages: 414 - 421

7. Spectra of galaxies with high surface brightness

   • V. T. Doroshenko
   • V. Yu. Terebizh

   BriefCommunication Pages: 422 - 424

8. Occultation by the moon of three Markaryan galaxies at 327 MHz

   • V. A. Sanamyan
   • Gopal-Krishna

   OriginalPaper Pages: 425 - 427

9. A possible mechanism for optical variability of Seyfert galaxy nuclei

   • V. A. Hagen-Thorn

   OriginalPaper Pages: 427 - 430

10. Distribution of galaxies in the Jagellonian field

    • L. M. Fesenko

    OriginalPaper Pages: 431 - 434

11. Quasiasymptotic solution of the radiative transfer problem in a layer of finite optical thickness I. Conservative scattering

    • M. A. Mnatsakanyan

    OriginalPaper Pages: 434 - 447

12. Cosmic rays from pulsars

    • G. S. Saakyan
    • D. M. Sedrakyan
    • G. P. Alodzhants

    OriginalPaper Pages: 448 - 454

13. Gravitation field of a flat uniform disk

    • R. M. Avakyan
    • I. Horsky

    OriginalPaper Pages: 454 - 459

14. Scanning emission variability for the quasars 3C 273 and 3C 279 at 408 MHz

    • V. G. Malumyan
    • V. A. Sanamyan

    Brief Communications Pages: 460 - 461

15. Model atmospheres for normal stars (a survey of reports of 1965–1973)

    • A. S. Lyubimkov

    Survey Pages: 462 - 483