@article{10_4064_sm_53_3_225_252,
     author = {Siegfried Pr\"o\ensuremath{\beta}dorf},
     title = {Systeme einiger singul\"arer {Gleichungen} vom nicht normalen {Typ} und {Projektionsverfahren} zu ihrer {L\"osung}},
     journal = {Studia Mathematica},
     pages = {225--252},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1975},
     doi = {10.4064/sm-53-3-225-252},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-53-3-225-252/}
}