TY - JOUR AU - V. S. Kapitonov TI - Functional representation of the partition function and phase transitions in the Hubbard model JO - Zapiski Nauchnykh Seminarov POMI PY - 1994 SP - 102 EP - 120 VL - 209 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1994_209_a5/ LA - ru ID - ZNSL_1994_209_a5 ER -