@article{DE_1972_8_9_a22,
     author = {S. N. Olekhnik},
     title = {The boundedness and unboundedness of the solutions of a second order ordinary differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1701--1704},
     publisher = {mathdoc},
     volume = {8},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_9_a22/}
}