TY - JOUR AU - V. S. Barbulyak AU - Yu. G. Kondrat'ev TI - The quasiclassical limit for the Schr\"odinger operator and phase transitions in quantum statistical physics JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1992 SP - 61 EP - 64 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a9/ LA - ru ID - FAA_1992_26_2_a9 ER -