%0 Journal Article %A I. L. Aptekar %T Equilibrium diagrams in systems involving an ordered phase %J Doklady Akademii Nauk %D 1960 %P 562-564 %V 130 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_130_3_a19/ %G ru %F DAN_1960_130_3_a19