%0 Journal Article %A I. Z. Fisher %A B. L. Kopeliovich %T Refinement of superposition approximation in the theory of liquids %J Doklady Akademii Nauk %D 1960 %P 81-83 %V 133 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a20/ %G ru %F DAN_1960_133_1_a20