@article{PMF_1931_38_1_a3,
     author = {Steckel, S.},
     title = {\"Uber die kleinste und gr\"o{\ss}te {Entfernung} zweier {Raumkurven}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {35--39},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1931},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1931_38_1_a3/}
}