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@article{DE_1981_17_1_a20, author = {M. Yunusov}, title = {Operator equations with small parameter and nonlocal boundary conditions}, journal = {Differencialʹnye uravneni\^a}, pages = {172--181}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a20/} }
M. Yunusov. Operator equations with small parameter and nonlocal boundary conditions. Differencialʹnye uravneniâ, Tome 17 (1981) no. 1, pp. 172-181. http://geodesic.mathdoc.fr/item/DE_1981_17_1_a20/