%0 Journal Article %A V. I. Zubov %T Equations of energy transformation %J Doklady Akademii Nauk %D 1989 %P 28-30 %V 309 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_1_a4/ %G ru %F DAN_1989_309_1_a4