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@article{DE_1967_3_3_a10, author = {\`E. I. Grudo}, title = {An elliptic system of partial differential equations with a singular point at the origin}, journal = {Differencialʹnye uravneni\^a}, pages = {485--495}, publisher = {mathdoc}, volume = {3}, number = {3}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_3_a10/} }
È. I. Grudo. An elliptic system of partial differential equations with a singular point at the origin. Differencialʹnye uravneniâ, Tome 3 (1967) no. 3, pp. 485-495. http://geodesic.mathdoc.fr/item/DE_1967_3_3_a10/