Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1950__52_169109, author = {H. Seifert}, title = {Schlingknoten}, journal = {Mathematische Zeitschrift}, pages = {62--80}, publisher = {mathdoc}, volume = {52}, year = {1950}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MZ_1950__52_169109/} }
H. Seifert. Schlingknoten. Mathematische Zeitschrift, Tome 52 (1950), pp. 62-80. http://geodesic.mathdoc.fr/item/MZ_1950__52_169109/