@article{ZVMMF_1998_38_6_a5,
     author = {A. B. Vasil'eva and M. A. Davydova},
     title = {On a contrast steplike structure for a class of second-order nonlinear singularly perturbed equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {938--947},
     year = {1998},
     volume = {38},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_6_a5/}
}