TY - JOUR AU - Zhou Jinxin TI - Bounded and Periodic Solutions of Nonlinear Differential Systems JO - Differencialʹnye uravneniâ PY - 2001 SP - 1289 EP - 1291 VL - 37 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_9_a20/ LA - ru ID - DE_2001_37_9_a20 ER -