TY - JOUR AU - G. Dzhangibekov TI - Noethericity and the index of a class of two-dimensional singular JO - Doklady Akademii Nauk PY - 1990 SP - 541 EP - 545 VL - 313 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_313_3_a5/ LA - ru ID - DAN_1990_313_3_a5 ER -