HD molecular lines in an absorption system at redshift z=2.3377 D. A. VarshalovichA. V. IvanchikC. Ledoux OriginalPaper Pages: 683 - 685
Nuclear activity of NGC 5548 from UBVRI observations during 1990–2000 V. T. DoroshenkoV. M. LyutyS. Yu. Mel’nikov OriginalPaper Pages: 691 - 702
Photometric and spectrophotometric observations of the classical symbiotic star YY Her during its return to quiescence A. A. TatarnikovaV. F. EsipovS. Yu. Shugarov OriginalPaper Pages: 703 - 711
Apsidal motion in the close binary IT cassiopeiae V. S. KozyrevaA. I. Zakharov OriginalPaper Pages: 712 - 718
Photometric variability and spectral features of the protoplanetary nebula LSII + 34° 26 = V1853 Cyg V. P. ArkhipovaN. P. IkonnikovaV. F. Esipov OriginalPaper Pages: 719 - 727
Estimation of errors in the distances to intrinsically reddened stars R. M. RaznikO. V. Agafonova OriginalPaper Pages: 728 - 731
Diffusion tensor for Galactic cosmic rays in the interplanetary medium with a magnetic field Ye. K. Kazkenov OriginalPaper Pages: 732 - 736
Acoustic damping of fast kink oscillations of coronal loops Yu. T. TsapYu. G. Kopylova OriginalPaper Pages: 737 - 744
A study of the regularities in solar magnetic activity by singular spectral analysis A. Yu. LoskutovI. A. IstominK. M. Kuzanyan OriginalPaper Pages: 745 - 753
Unstable periodic orbits in a rotationally symmetric potential T. A. AgekyanV. V. OrlovN. Yu. Kretser OriginalPaper Pages: 754 - 757