@article{MAN_1941__118_160111,
     author = {O. Haupt},
     title = {\"Uber den {Ovalsatz} von {B\"ohmer-Mukhopadhyaya}},
     journal = {Mathematische Annalen},
     pages = {629--635},
     year = {1941},
     volume = {118},
     zbl = {0027.42902},
     url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160111/}
}