New probable dwarf galaxies in northern groups of the Local Supercluster I. D. KarachentsevV. E. KarachentsevaW. K. Huchtmeier OriginalPaper Pages: 512 - 519
2D spectroscopy of candidate polar-ring galaxies: I. The pair of galaxies UGC 5600/09 L. V. ShalyapinaO. A. MerkulovaE. V. Volkov OriginalPaper Pages: 520 - 530
Unusual infrared fading of CH Cygni in 2006 O. G. TaranovaV. I. Shenavrin OriginalPaper Pages: 531 - 535
Dynamical instability of laminar axisymmetric flows of ideal incompressible fluid V. V. ZhuravlevN. I. Shakura OriginalPaper Pages: 536 - 549
Sundman surfaces and Hill stability in the three-body problem L. G. LukâyanovG. I. Shirmin OriginalPaper Pages: 550 - 561
On the relationship of long-period comets to known and unknown planets A. S. Guliyev OriginalPaper Pages: 562 - 570