%0 Journal Article %A A. Yu. Sechin %T A numerical method of a~higher degree of accuracy for a~singularly perturbed boundary value problem %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1983 %P 75-80 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1983_7_a6/ %G ru %F IVM_1983_7_a6