1. Shell spectrum of CH Cyg at the brightening of the star at the end of 1981

   • L. Luud
   • T. Tomov

   OriginalPaper Pages: 225 - 230

2. Parameters of the atmospheres of the chemically peculiar stars α and and α² CVn

   • V. V. Leushin
   • L. I. Snezhko
   • V. V. Sokolov

   OriginalPaper Pages: 230 - 233

3. Distribution of OB stars and absorbing matter in the region of the association Per OB1

   • A. T. Garibdzhanyan

   OriginalPaper Pages: 234 - 239

4. Variations in the light of WW vul and their interpretation

   • G. V. Zaitseva
   • P. F. Chugainov

   OriginalPaper Pages: 239 - 249

5. Balmer lines in the spectrum of P Cyg. Dilemma in the description of the variability

   • N. Markova
   • I. Kolka

   OriginalPaper Pages: 250 - 255

6. Evolutionary increase in the nitrogen abundance in the atmospheres of early B stars

   • L. S. Lyubimkov

   OriginalPaper Pages: 255 - 266

7. Colorimetry of the diffuse nebulas S 156, S 157A, S 158, and NGC 7635

   • É. S. Parsamyan
   • V. M. Petrosyan

   OriginalPaper Pages: 266 - 272

8. Carbon abundance in planetary nebulas

   • A. F. Kholtygin

   OriginalPaper Pages: 272 - 277

9. Second Byurakan Spectral Sky Survey. III. Results for region centered on α=08^h00^m, δ=+59°00′

   • B. E. Markaryan
   • A. Stepanyan

   OriginalPaper Pages: 278 - 289

10. Spectral observations of Markaryan galaxies. IV

    • É. K. Denisyuk
    • V. A. Lipovetskii

    OriginalPaper Pages: 290 - 297

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

    • I. I. Shevchenko

    OriginalPaper Pages: 297 - 302

12. Stability of elliptic stellar disks. I. Balanced disks

    • G. S. Bisnovatyi-Kogan

    OriginalPaper Pages: 302 - 313

13. Nonlinear theory of the generation of radiation in a pulsar plasma

    • A. B. Mikhailovskii
    • G. I. Suramlishvili

    OriginalPaper Pages: 314 - 317

14. Waves in a homogeneous unmagnetized degenerate electron-nuclear plasma

    • G. P. Alodzhants
    • A. A. Saaryan

    OriginalPaper Pages: 317 - 326

15. Slow rotation in the bimetric theory of gravitation

    • É. V. Chubaryan
    • A. V. Sarkisyan

    OriginalPaper Pages: 326 - 334

16. Low-frequency radiation of magnetoacoustic solitons in an inhomogeneous magnetic field

    • R. G. Dzhangiryan
    • F. A. Kostanyan

    OriginalPaper Pages: 335 - 339

17. Application of the invariance principle to problems of gamma radiation transfer in crystals

    • A. R. Mkrtchyan
    • R. G. Gabrielyan

    OriginalPaper Pages: 340 - 344

18. Phenomenological approach to the theory of the gravitational vacuum

    • L. Sh. Grigoryan
    • G. S. Saakyan

    OriginalPaper Pages: 344 - 353