@article{1103044464, author = {Huber, Alfred}, title = {The reflection principle for polyharmonic functions.}, journal = {Pacific J. Math.}, volume = {5}, number = {4}, year = {1955}, pages = { 433-439}, language = {en}, url = {http://dml.mathdoc.fr/item/1103044464} }
Huber, Alfred. The reflection principle for polyharmonic functions.. Pacific J. Math., Tome 5 (1955) no. 4, pp. 433-439. http://gdmltest.u-ga.fr/item/1103044464/