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@article{DE_1973_9_5_a25, author = {Yu. N. Nemish}, title = {A certain generalization of three-dimensional harmonic functions}, journal = {Differencialʹnye uravneni\^a}, pages = {967--968}, publisher = {mathdoc}, volume = {9}, number = {5}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_5_a25/} }
Yu. N. Nemish. A certain generalization of three-dimensional harmonic functions. Differencialʹnye uravneniâ, Tome 9 (1973) no. 5, pp. 967-968. http://geodesic.mathdoc.fr/item/DE_1973_9_5_a25/