@article{GDZPPN002269120,
title = {Zur Parametrixmethode},
journal = {Mathematische Annalen},
volume = {90},
year = {1923},
pages = {136-150},
language = {de},
url = {http://dml.mathdoc.fr/item/GDZPPN002269120}
}
Haupt, O. Zur Parametrixmethode. Mathematische Annalen, Tome 90 (1923) pp. 136-150. http://gdmltest.u-ga.fr/item/GDZPPN002269120/