TY - JOUR AU - A. M. Kogan TI - Variation principles for kinetic theory equations JO - Doklady Akademii Nauk PY - 1967 SP - 785 EP - 788 VL - 175 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_175_4_a10/ LA - ru ID - DAN_1967_175_4_a10 ER -