@article{ELMA_1951__6_140561,
     author = {A. Loeffler},
     title = {Construction du cercle osculateur en un point quelconque d'une quartique bicirculaire.},
     journal = {Elemente der Mathematik},
     pages = {11--15},
     publisher = {mathdoc},
     volume = {6},
     year = {1951},
     zbl = {0043.36003},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1951__6_140561/}
}