@article{ZVMMF_1964_4_14_a11,
     author = {A. B. Vasil'eva and V. F. Butuzov},
     title = {Asymptotic behaviour of the solution of an integro-differential equation with a small parameter multiplying the derivative},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {183--191},
     publisher = {mathdoc},
     volume = {4},
     number = {14},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_14_a11/}
}