@article{DE_2002_38_11_a6,
     author = {Yu. I. Neimark and V. N. Smirnova},
     title = {Singularly {Perturbed} {Cauchy} {Problems} and {Contrast} {Structures}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1498--1505},
     publisher = {mathdoc},
     volume = {38},
     number = {11},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_11_a6/}
}