%0 Journal Article %A A. M. Kogan %T Variation principles for kinetic theory equations %J Doklady Akademii Nauk %D 1967 %P 785-788 %V 175 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_175_4_a10/ %G ru %F DAN_1967_175_4_a10