@article{DAN_1984_277_1_a0,
     author = {N. M. Asadullin},
     title = {Asymptotic behavior of solutions of a second-order ordinary},
     journal = {Doklady Akademii Nauk},
     pages = {11--14},
     year = {1984},
     volume = {277},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_1_a0/}
}