@article{DAN_1968_179_2_a6,
     author = {K. A. Kasymov},
     title = {The problem with initial jump for nonlinear systems of differential equations containing a small parameter},
     journal = {Doklady Akademii Nauk},
     pages = {275--278},
     publisher = {mathdoc},
     volume = {179},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_2_a6/}
}