@article{MM2_1973__9_154166,
     author = {Hans-J\"org Reiffen},
     title = {Zum {Frobenius} {Theorem} auf komplexen {R\"aumen.}},
     journal = {Manuscripta mathematica},
     pages = {229--244},
     publisher = {mathdoc},
     volume = {9},
     year = {1973},
     zbl = {0254.32010},
     url = {http://geodesic.mathdoc.fr/item/MM2_1973__9_154166/}
}