%0 Journal Article %A G. I. Shishkin %T Difference approximation of a singularly perturbed quasilinear %J Doklady Akademii Nauk %D 1991 %P 845-849 %V 317 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_4_a17/ %G ru %F DAN_1991_317_4_a17