On the origin of tightly wound spiral features in galactic nuclei P. PismisE. Moreno OriginalPaper Pages: 1 - 10
Second Byurakan Spectral Sky Survey. II. Results for region centered on α=09h50m, δ=+55°00′ B. E. MarkaryanDzh A. Stepanyan OriginalPaper Pages: 10 - 23
Spectral and morphological investigation of galaxies with ultraviolet excess. V M. A. Kazaryan OriginalPaper Pages: 24 - 29
UBV photometry of two physical systems of galaxies with ultraviolet excess V. S. Tamazyan OriginalPaper Pages: 30 - 35
Superassociations in spiral galaxies with ultraviolet excess. II A. R. PetrosyanK. A. SaakyanÉ. E. Khachikyan OriginalPaper Pages: 35 - 42
On the sources of the thermal energy of the intergalactic gas in clusters of galaxies V. G. Gorbatskii OriginalPaper Pages: 42 - 49
On the possible existence of two populations of quasistellar objects B. V. Komberg OriginalPaper Pages: 50 - 56
Atmospheres of the southern supergiants α Lep andt Car A. A. BoyarchukL. S. Lyubimkov OriginalPaper Pages: 57 - 65
Spectrophotometric investigation of OB stars in the region of the association Cep OB2 A. T. Garibdzhanyan OriginalPaper Pages: 69 - 74
Some questions concerning the formation and structure of Herbig-Haro objects A. L. Gyul'budagyan OriginalPaper Pages: 75 - 79
Integral relations and asymptotic expressions in the theory of radiative transfer V. V. Sobolev OriginalPaper Pages: 79 - 85
Green's functions for the equation of radiative transfer in an infinite homogeneous medium with sphericallly symmetric distribution of the sources A. K. Kolesov OriginalPaper Pages: 86 - 95
Scattering of spatially homogeneous isotropic radiation by a cold electron gas D. I. Nagirner OriginalPaper Pages: 95 - 100
Langmuir soliton propagating in a relativistic plasma at an angle to an external magnetic field G. I. MelikidzeA. D. Pataraya OriginalPaper Pages: 100 - 104
Influence of magnetic dipole orientation on the accretion rate in close binaries I. L. Andronov OriginalPaper Pages: 104 - 112