@article{MAN_1921__83_158866,
     author = {K. Boehm},
     title = {\"Uber eine {Eigenschaft} der {Minimalfl\"achen}},
     journal = {Mathematische Annalen},
     pages = {157--160},
     publisher = {mathdoc},
     volume = {83},
     year = {1921},
     zbl = {48.0588.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1921__83_158866/}
}