%0 Journal Article %A V. D. Liseikin %A V. E. Petrenko %T Numerical solution of nonlinear singularly perturbed problems %J Doklady Akademii Nauk %D 1987 %P 791-794 %V 297 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_297_4_a4/ %G ru %F DAN_1987_297_4_a4