%0 Journal Article %A S. A. Pirogov %A Ya. G. Sinai %T Phase transitions of the first kind for small perturbations of the Ising model %J Funkcionalʹnyj analiz i ego priloženiâ %D 1974 %P 25-30 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1974_8_1_a3/ %G ru %F FAA_1974_8_1_a3