%0 Journal Article %A M. A. Grinfel'd %T On the conditions of thermodynamic equilibrium of nonlinearly elastic material phases %J Doklady Akademii Nauk %D 1980 %P 824-828 %V 251 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_251_4_a13/ %G ru %F DAN_1980_251_4_a13