%0 Journal Article %A G. I. Shishkin %T Grid approximation of a singularly perturbed boundary-value problem for a quasi-linear elliptic equation in the completely degenerate case %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1991 %P 1808-1825 %V 31 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_12_a4/ %G ru %F ZVMMF_1991_31_12_a4