@article{ZVMMF_2008_48_1_a2,
     author = {S. F. Dolbeeva and E. A. Chizh},
     title = {Asymptotics of a~second-order differential equation with a~small parameter in the case when the reduced equation has two solutions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {33--45},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_1_a2/}
}