@article{DAN_1969_189_5_a4,
     author = {K. A. Kasymov},
     title = {Asymptotics of the solution of a problem with initial jump for nonlinear systems of differential equations with a small parameter multiplying the highest derivative},
     journal = {Doklady Akademii Nauk},
     pages = {941--944},
     publisher = {mathdoc},
     volume = {189},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_5_a4/}
}