TY - JOUR AU - F. A. Smirnov TI - Proof of identities which arise in the calculation of form-factors in the sine-Gordon model JO - Zapiski Nauchnykh Seminarov POMI PY - 1987 SP - 98 EP - 121 VL - 161 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1987_161_a8/ LA - ru ID - ZNSL_1987_161_a8 ER -