@article{SJL_1962-1963____181_0, author = {Lewy, Hans}, title = {La r\'eflexion des fonctions harmoniques}, journal = {S\'eminaire Jean Leray}, pages = {181--189}, year = {1962-1963}, publisher = {Coll\`ege de France}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/SJL_1962-1963____181_0/} }