@article{MOMA_1948__52_176797,
     author = {M. Pinl},
     title = {\"Uber {Fl\"achen} mit isotropem mittleren {Kr\"ummungsvektor.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {301--310},
     publisher = {mathdoc},
     volume = {52},
     year = {1948},
     zbl = {0034.09101},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1948__52_176797/}
}