TY - JOUR AU - Zhaoyang Yin TI - Bounded positive solutions of nonlinear second-order differential equations JO - Differencialʹnye uravneniâ PY - 2006 SP - 23 EP - 32 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2006_42_1_a2/ LA - ru ID - DE_2006_42_1_a2 ER -