@article{1183500623, author = {Green, J. W.}, title = {A property of harmonic functions in three variables}, journal = {Bull. Amer. Math. Soc.}, volume = {44}, number = {11}, year = {1938}, pages = { 548-557}, language = {en}, url = {http://dml.mathdoc.fr/item/1183500623} }
Green, J. W. A property of harmonic functions in three variables. Bull. Amer. Math. Soc., Tome 44 (1938) no. 11, pp. 548-557. http://gdmltest.u-ga.fr/item/1183500623/