@article{10_4064_ap_34_1_43_45, author = {M. Schneider}, title = {\"Uber {Randwertprobleme} f\"ur {Gleichungen} vom gemischten {Typ} im $R^3$ {(II)}}, journal = {Annales Polonici Mathematici}, pages = {43--45}, year = {1977}, volume = {34}, number = {1}, doi = {10.4064/ap-34-1-43-45}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-34-1-43-45/} }