@article{ZVMMF_2006_46_4_a4,
     author = {A. B. Vasil'eva and O. I. Panteleeva},
     title = {On a~system of singularly perturbed second-order quasilinear ordinary differential equations in the critical cases},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {593--604},
     year = {2006},
     volume = {46},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_4_a4/}
}