Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1985__40_141362, author = {J.A. Wieacker and R. Schneider}, title = {Einschliessung ebener {Kurven.}}, journal = {Elemente der Mathematik}, pages = {98--99}, publisher = {mathdoc}, volume = {40}, year = {1985}, zbl = {0575.52004}, url = {http://geodesic.mathdoc.fr/item/ELMA_1985__40_141362/} }
J.A. Wieacker; R. Schneider. Einschliessung ebener Kurven.. Elemente der Mathematik, Tome 40 (1985), pp. 98-99. http://geodesic.mathdoc.fr/item/ELMA_1985__40_141362/