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@article{DAN_1964_154_1_a2, author = {V. S. Vinogradov}, title = {An analogue of the {Cauchy--Riemann} system in four-dimensional space}, journal = {Doklady Akademii Nauk}, pages = {16--19}, publisher = {mathdoc}, volume = {154}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a2/} }
V. S. Vinogradov. An analogue of the Cauchy--Riemann system in four-dimensional space. Doklady Akademii Nauk, Tome 154 (1964) no. 1, pp. 16-19. http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a2/