TY - JOUR AU - V. I. Gromak AU - V. V. Tsegel'nik TI - Solutions of a system of three differential equations with quadratic nonlinearities JO - Differencialʹnye uravneniâ PY - 1991 SP - 396 EP - 402 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_3_a3/ LA - ru ID - DE_1991_27_3_a3 ER -