Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1951__6_140559, author = {L. Locher-Ernst}, title = {Polarentheorie der {Eilinien.}}, journal = {Elemente der Mathematik}, pages = {1--7}, publisher = {mathdoc}, volume = {6}, year = {1951}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1951__6_140559/} }
L. Locher-Ernst. Polarentheorie der Eilinien.. Elemente der Mathematik, Tome 6 (1951), pp. 1-7. http://geodesic.mathdoc.fr/item/ELMA_1951__6_140559/