@article{ELMA_1947__2_140460,
     author = {Viktor Krakowski},
     title = {Geradstellen ebener {Kurven.}},
     journal = {Elemente der Mathematik},
     pages = {54--58},
     publisher = {mathdoc},
     volume = {2},
     year = {1947},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1947__2_140460/}
}