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@article{DE_1980_16_6_a11, author = {V. M. Isakov}, title = {Existence of solutions of an inverse problem of potential theory}, journal = {Differencialʹnye uravneni\^a}, pages = {1097--1107}, publisher = {mathdoc}, volume = {16}, number = {6}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_6_a11/} }
V. M. Isakov. Existence of solutions of an inverse problem of potential theory. Differencialʹnye uravneniâ, Tome 16 (1980) no. 6, pp. 1097-1107. http://geodesic.mathdoc.fr/item/DE_1980_16_6_a11/