@article{DAN_1985_283_5_a4,
     author = {A. I. Vagabov},
     title = {Asymptotic behavior, with respect to a parameter, of solutions of},
     journal = {Doklady Akademii Nauk},
     pages = {1047--1050},
     year = {1985},
     volume = {283},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_5_a4/}
}