%0 Journal Article %A S. S. Kukushkina %T Calculation of elastic constants from microscopic quantities for an elastic medium with energy dependent upon the deformation gradients %J Doklady Akademii Nauk %D 1968 %P 569-571 %V 181 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_181_3_a15/ %G ru %F DAN_1968_181_3_a15