@article{ZVMMF_1991_31_12_a4,
     author = {G. I. Shishkin},
     title = {Grid approximation of a singularly perturbed boundary-value problem for a quasi-linear elliptic equation in the completely degenerate case},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1808--1825},
     year = {1991},
     volume = {31},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_12_a4/}
}