TY - JOUR AU - L. P. Sulima TI - On the theory of a third-order differential equation of the second degree JO - Differencialʹnye uravneniâ PY - 1982 SP - 721 EP - 722 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_4_a27/ LA - ru ID - DE_1982_18_4_a27 ER -