TY - JOUR AU - Yu. M. Zinoviev TI - Pfaffian and the Kac–Ward Formula in the Two-Dimensional Ising Model JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2005 SP - 139 EP - 153 VL - 251 UR - http://geodesic.mathdoc.fr/item/TM_2005_251_a5/ LA - ru ID - TM_2005_251_a5 ER -