%0 Journal Article %A N. N. Brushlinskaya %T Limit cycles of the equations of motion of a rigid body and for the Galerkin equations of hydrodynamics %J Doklady Akademii Nauk %D 1964 %P 1017-1020 %V 157 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_157_5_a0/ %G ru %F DAN_1964_157_5_a0