TY - JOUR AU - G. A. Isaev TI - Singular multiparameter differential operators. Expansion theorems JO - Sbornik. Mathematics PY - 1988 SP - 53 EP - 73 VL - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1988_59_1_a3/ LA - en ID - SM_1988_59_1_a3 ER -