Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1953__27_139065, author = {Peter Henrici}, title = {Zur {Funktionentheorie} der {Wellengleichung.}}, journal = {Commentarii mathematici Helvetici}, pages = {235--293}, publisher = {mathdoc}, volume = {27}, year = {1953}, zbl = {0052.33002}, url = {http://geodesic.mathdoc.fr/item/CMH_1953__27_139065/} }
Peter Henrici. Zur Funktionentheorie der Wellengleichung.. Commentarii mathematici Helvetici, Tome 27 (1953), pp. 235-293. http://geodesic.mathdoc.fr/item/CMH_1953__27_139065/