@article{DE_1971_7_11_a7,
     author = {B. G. Razumeiko},
     title = {The asymptotic behavior of the solution of a boundary value problem for an ordinary linear differential equation with small paramater},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1998--2006},
     publisher = {mathdoc},
     volume = {7},
     number = {11},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_11_a7/}
}