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@article{MZM_1985_38_1_a5, author = {V. N. Dubinin}, title = {Transformation of functions and {Dirichlet's} principle}, journal = {Matemati\v{c}eskie zametki}, pages = {49--55}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_1_a5/} }
V. N. Dubinin. Transformation of functions and Dirichlet's principle. Matematičeskie zametki, Tome 38 (1985) no. 1, pp. 49-55. http://geodesic.mathdoc.fr/item/MZM_1985_38_1_a5/