%0 Journal Article %A V. A. Antonov %A S. N. Nuritdinov %T Nonlinear nonradial oscillations of two-dimensional models of stellar systems %J Doklady Akademii Nauk %D 1977 %P 545-547 %V 232 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_3_a9/ %G ru %F DAN_1977_232_3_a9