@article{PMF_1936_43_1_a12,
     author = {Sto\.zek, W{\l}odzimierz},
     title = {\"Uber den {Inhalt} einer auf der {Kugel} liegenden geschlossenen {Kurve}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {235--240},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1936},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1936_43_1_a12/}
}