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@article{DE_1994_30_10_a8, author = {V. V. Volchkov}, title = {Theorems on two radii on bounded domains of {Euclidean} spaces}, journal = {Differencialʹnye uravneni\^a}, pages = {1719--1724}, publisher = {mathdoc}, volume = {30}, number = {10}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_10_a8/} }
V. V. Volchkov. Theorems on two radii on bounded domains of Euclidean spaces. Differencialʹnye uravneniâ, Tome 30 (1994) no. 10, pp. 1719-1724. http://geodesic.mathdoc.fr/item/DE_1994_30_10_a8/