TY - JOUR AU - G. Sh. Guseinov TI - On~the spectral theory of multiparameter difference equations of second order JO - Izvestiya. Mathematics PY - 1988 SP - 95 EP - 120 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1988_31_1_a3/ LA - en ID - IM2_1988_31_1_a3 ER -