%0 Journal Article %A M. A. Grinfel'd %T Phase transitions with a prescribed family of transformation surfaces %J Doklady Akademii Nauk %D 1985 %P 341-345 %V 283 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_283_2_a21/ %G ru %F DAN_1985_283_2_a21