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@article{DE_1985_21_10_a1, author = {A. B. Vasil'eva and V. F. Butuzov}, title = {The method of boundary layer functions}, journal = {Differencialʹnye uravneni\^a}, pages = {1662--1669}, publisher = {mathdoc}, volume = {21}, number = {10}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a1/} }
A. B. Vasil'eva; V. F. Butuzov. The method of boundary layer functions. Differencialʹnye uravneniâ, Tome 21 (1985) no. 10, pp. 1662-1669. http://geodesic.mathdoc.fr/item/DE_1985_21_10_a1/