@article{DE_1969_5_11_a15,
     author = {S. N. Olekhnik},
     title = {Asymptotic behavior of the solutions of an ordinary second order differential equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2093--2095},
     year = {1969},
     volume = {5},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_11_a15/}
}