1. Flare stars in the Pleiades. II

   • V. A. Ambartsumyan
   • A. V. Mirzoyan
   • L. K. Erastova

   OriginalPaper Pages: 189 - 196

2. Spectrophotometric study of certain T Tauri stars and rapid irregular variables

   • G. V. Zaitseva

   OriginalPaper Pages: 197 - 203

3. Spectrophotometric studies of nonstable stars II. On the spectrum of RW Aurigae in the region 3080–6100 Å

   • D. Chalonge
   • L. Divan
   • L. V. Mirzoyan

   OriginalPaper Pages: 204 - 215

4. Results of spectral observations of CH Cygni for 1967–1969

   • G. N. Dzhimsheleishvili

   OriginalPaper Pages: 216 - 224

5. Movement of matter in the shell of P Cygni

   • E. R. Astaf'ev

   OriginalPaper Pages: 225 - 230

6. A spectroscopic study of luminous galactic nuclei

   • É. Ya. Khachikyan
   • D. W. Weedman

   OriginalPaper Pages: 231 - 240

7. Large-scale structural characteristics and photometry of NGC 3031 determined from equidensity curves

   • W. Hoegner
   • Z. Kadla
   • A. Strugatskaya

   OriginalPaper Pages: 241 - 245

8. Polarimetric investigation of compact extragalactic objects

   • V. A. Dombrovskii
   • M. K. Babadzhanyants
   • S. M. Gutkevich

   OriginalPaper Pages: 246 - 256

9. An angular-diameter-redshift relation for rich clusters of galaxies

   • G. Paal

   OriginalPaper Pages: 257 - 268

10. Quasistellar radio sources and optical quasistellar objects

    • M. A. Arakelyan

    OriginalPaper Pages: 269 - 273

11. Rotating white dwarfs in the general relativity theory

    • G. G. Arutyunyan
    • D. M. Sedrakyan
    • É. V. Chubaryan

    OriginalPaper Pages: 274 - 280

12. Determination of the potential energy of a gravitational system with spheroidal symmetry

    • V. L. Afanas'ev

    OriginalPaper Pages: 281 - 285

13. Nucleosynthesis of elements: S-process

    • V. S. Shorin
    • V. M. Gribunin
    • I. I. Sidorova

    OriginalPaper Pages: 286 - 293

14. On the nonlinear absorption coefficient of electromagnetic radiation under astrophysical conditions

    • S. A. Kaplan
    • G. M. Khaplanov
    • Yu. G. Khronopulo

    BriefCommunication Pages: 294 - 296

15. Frequency of flares of star Haro 18 in the Pleiades

    • É. S. Parsamyan

    Brief Communications Pages: 297 - 298