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@article{DAN_1990_311_1_a0, author = {A. V. Bitsadze}, title = {On the {Neumann} problem for harmonic functions}, journal = {Doklady Akademii Nauk}, pages = {11--13}, publisher = {mathdoc}, volume = {311}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_1_a0/} }
A. V. Bitsadze. On the Neumann problem for harmonic functions. Doklady Akademii Nauk, Tome 311 (1990) no. 1, pp. 11-13. http://geodesic.mathdoc.fr/item/DAN_1990_311_1_a0/