TY - JOUR AU - V. I. Zvonilov TI - Complex orientations of real algebraic curves with singularities JO - Doklady Akademii Nauk PY - 1983 SP - 22 EP - 26 VL - 268 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_268_1_a3/ LA - ru ID - DAN_1983_268_1_a3 ER -