TY - JOUR AU - A. Dzhuraev TI - A system of Beltrami equations which are degenerate on a curve JO - Doklady Akademii Nauk PY - 1969 SP - 984 EP - 986 VL - 185 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_185_5_a3/ LA - ru ID - DAN_1969_185_5_a3 ER -