1. Number of scatterings during photon diffusion. II

   • V. V. Sobolev

   OriginalPaper Pages: 119 - 123

2. Diffusion of radiation in a spherical envelope surrounding a point source

   • T. A. Germogenova

   OriginalPaper Pages: 125 - 131

3. Diffuse reflection from a nonequilibrium medium

   • N. B. Engibaryan

   BriefCommunication Pages: 133 - 135

4. Models of the outer layers of hot main-sequence stars

   • V. G. Gorbatskii
   • A. K. Kolesov

   OriginalPaper Pages: 137 - 153

5. On the collision of clouds of gas and dust

   • E. Ya. Gidalevich

   OriginalPaper Pages: 155 - 158

6. Some statistical characteristics of superclusters of galaxies

   • I. D. Karachentsev

   OriginalPaper Pages: 159 - 162

7. Nuclei of southern barred galaxies

   • G. M. Tovmasyan

   BriefCommunication Pages: 163 - 165

8. Spectrophotometric study of the emission lines λ 4686, 5411 of He II in the eclipsing binary wolf-rayet star V 444 CYG=HD 193576

   • A. A. Guseinzade

   OriginalPaper Pages: 167 - 174

9. Changes in the polarization ofβ lyrae

   • O. S. Shulov

   BriefCommunication Pages: 175 - 177

10. Autocorrelation and spectral analysis of the light curves of SS Cyg, Z Gam and RU Peg

    • F. I. Lukatskaya
    • G. A. Polishchuk

    OriginalPaper Pages: 179 - 182

11. The period-radius relation for classical cepheids

    • I. N. Latyshev

    OriginalPaper Pages: 183 - 188

12. Polarization of light in the nebula IC 446

    • E. S. Parsamyan

    BriefCommunication Pages: 189 - 190

13. Two new planetary nebulae

    • M. A. Kazaryan

    BriefCommunication Pages: 191 - 191

14. Book review

    • V. A. Ambartsumyan

    BookReview Pages: 193 - 195