%0 Journal Article %A V. S. Barbulyak %A Yu. G. Kondrat'ev %T The quasiclassical limit for the Schr\"odinger operator and phase transitions in quantum statistical physics %J Funkcionalʹnyj analiz i ego priloženiâ %D 1992 %P 61-64 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a9/ %G ru %F FAA_1992_26_2_a9