@article{DE_2006_42_1_a2,
     author = {Zhaoyang Yin},
     title = {Bounded positive solutions of nonlinear second-order differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {23--32},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_1_a2/}
}