@article{JRAM_1982__336_152476,
     author = {Astrid Baumann},
     title = {Poisson-Formeln f\"ur ahrmonische {Kerne.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {191--200},
     year = {1982},
     volume = {336},
     zbl = {0492.31011},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1982__336_152476/}
}