@article{DE_1974_10_7_a11,
     author = {K. A. Kasymov},
     title = {Asymptotic expansion of the solution of the problem with initial jump for a system of nonlinear ordinary differential equations with a small parameter multiplying the highest derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1248--1263},
     publisher = {mathdoc},
     volume = {10},
     number = {7},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_7_a11/}
}