@article{ZVMMF_1967_7_5_a9,
     author = {Z. A. Yanson},
     title = {Asymptotic form of the solutions of a second order linear differential equation containing a complex parameter},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1078--1085},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_5_a9/}
}