%0 Journal Article %A G. M. Idlis %T Practical test for stationary or unstationary state of finite selfgravitating stellar systems %J Doklady Akademii Nauk %D 1958 %P 997-998 %V 122 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_122_6_a10/ %G ru %F DAN_1958_122_6_a10