@article{MM2_1986__55_155140,
     author = {Joachim Michel},
     title = {Randregularit\"at des {...-Problems} f\"ur die {Halbkugel} in ... .},
     journal = {Manuscripta mathematica},
     pages = {239--268},
     publisher = {mathdoc},
     volume = {55},
     year = {1986},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1986__55_155140/}
}