@article{1103038064, author = {Gilbert, R. P.}, title = {Singularities of three-dimensional harmonic functions.}, journal = {Pacific J. Math.}, volume = {10}, number = {4}, year = {1960}, pages = { 1243-1255}, language = {en}, url = {http://dml.mathdoc.fr/item/1103038064} }
Gilbert, R. P. Singularities of three-dimensional harmonic functions.. Pacific J. Math., Tome 10 (1960) no. 4, pp. 1243-1255. http://gdmltest.u-ga.fr/item/1103038064/