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@article{DAN_1973_209_3_a9, author = {V. R. Portnov}, title = {On conditions for {Hausdorff} normal solvability of a nonlinear problem}, journal = {Doklady Akademii Nauk}, pages = {555--557}, publisher = {mathdoc}, volume = {209}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a9/} }
V. R. Portnov. On conditions for Hausdorff normal solvability of a nonlinear problem. Doklady Akademii Nauk, Tome 209 (1973) no. 3, pp. 555-557. http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a9/