@article{MAN_1941__118_160097,
     author = {L. Sauer},
     title = {Parametrixmethode zur {L\"osung} von {Randwertproblemen}},
     journal = {Mathematische Annalen},
     pages = {385--439},
     publisher = {mathdoc},
     volume = {118},
     year = {1941},
     zbl = {68.0232.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160097/}
}