TY - JOUR AU - V. N. Gorbuzov AU - S. N. Udot TI - Second order systems with quadratic nonlinearity of Painlev\'e type JO - Differencialʹnye uravneniâ PY - 1990 SP - 345 EP - 348 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_2_a21/ LA - ru ID - DE_1990_26_2_a21 ER -