TY - JOUR AU - D. A. Yarotskii TI - Pirogov--Sinai theory for relatively bounded quantum perturbations of classical lattice models JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2006 SP - 371 EP - 372 VL - 61 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2006_61_2_a13/ LA - en ID - RM_2006_61_2_a13 ER -