@article{MAN_1943__119_160118,
     author = {A. Sommerfeld},
     title = {Die ebene und sph\"arische {Welle} im polydimersionalen {Raum.}},
     journal = {Mathematische Annalen},
     pages = {1--20},
     publisher = {mathdoc},
     volume = {119},
     year = {1943},
     zbl = {0028.16402},
     url = {http://geodesic.mathdoc.fr/item/MAN_1943__119_160118/}
}