Optical variability of the quasar 3C 345 M. K. BabadzhanyantsE. T. Belokon' OriginalPaper Pages: 461 - 469
Investigation of the nuclear region of the Seyfert galaxy NGC 1275 L. P. MetikI. I. Pronik OriginalPaper Pages: 470 - 478
Isodensitometry of selected interacting galaxies. II Yu. P. Korovyakovskii OriginalPaper Pages: 484 - 490
Preferential orientation of Seyfert galaxies as a selection effect V. P. Reshetnikov OriginalPaper Pages: 491 - 494
Formation of the superhigh energy spectrum of cosmic rays in the nuclei of active galaxies F. A. AgaronyanA. S. Ambartsumyan OriginalPaper Pages: 499 - 503
Radio astronomical observations of the occulatation of the Crab nebula by the Moon on January 26, 1983 M. I. AgafonovA. M. AslanyanS. P. Stolyarov OriginalPaper Pages: 503 - 507
Spectral classes of the cold components of U Gem type stars G. G. Tovmasyan OriginalPaper Pages: 507 - 510
Expansion of sobolev functions in series in Laguerre polynomials K. I. Selyakov OriginalPaper Pages: 511 - 519
The asymptotic radiation regime in the outer layers of a homogeneous sphere of large optical radius A. K. Kolesov OriginalPaper Pages: 519 - 527
Statistical description of radiation fields on the basis of the invariance principle. I. Mean number of scatterings in a medium illuminated from without A. G. Nikogosyan OriginalPaper Pages: 527 - 537
Remark on allowance for the motion of electrons that interact with photons in astrophysical problems G. T. Ter-Kazaryan OriginalPaper Pages: 538 - 543
Time of establishment of ionization equilibrium in a hot rarefied gas K. A. Sidorov OriginalPaper Pages: 544 - 548
Some astrophysical consequences of a dynamical interpretation of gravitation Yu. V. BaryshevV. V. Sokolov OriginalPaper Pages: 548 - 551
Models of incompressible fluid configurations with allowance for the part played by the gravitational vacuum L. Sh. Grigoryan OriginalPaper Pages: 551 - 557
Two-chamber image converter for 6-m telescope G. I. BryukhnevichL. V. GyavgyanenE. I. Titkov OriginalPaper Pages: 558 - 562
Possibilities of slitless spectrograph for the 6-m telescope and the 1-m Zeiss telescope N. A. TikhonovM. F. Shabanov OriginalPaper Pages: 563 - 567