TY - JOUR AU - S. A. Vladimirov TI - Ordinary differential equations with a discrete symmetry group JO - Differencialʹnye uravneniâ PY - 1975 SP - 1180 EP - 1189 VL - 11 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_7_a3/ LA - ru ID - DE_1975_11_7_a3 ER -