TY - JOUR AU - S. Ya. Braude TI - Integrability conditions of certain second order nonlinear differential equations JO - Differencialʹnye uravneniâ PY - 1967 SP - 1022 EP - 1024 VL - 3 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_6_a14/ LA - ru ID - DE_1967_3_6_a14 ER -