TY - JOUR AU - S. V. Smirnov TI - Nomographing general integrals of first-order ordinary differential equations JO - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta PY - 1959 SP - 245 EP - 248 VL - 186 IS - 186 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZMU_1959_186_186_a16/ LA - ru ID - UZMU_1959_186_186_a16 ER -