%0 Journal Article %A Yu. P. Boglaev %T An iterative sweeping method for approximate solution of nonlinear singularly perturbed boundary-value problems %J Doklady Akademii Nauk %D 1977 %P 1241-1244 %V 235 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_235_6_a0/ %G ru %F DAN_1977_235_6_a0