Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1988__61_4_155315, author = {Pawel Traczyk}, title = {Non-Trivial negative links have positive signature.}, journal = {Manuscripta mathematica}, pages = {279--284}, publisher = {mathdoc}, volume = {61}, number = {4}, year = {1988}, zbl = {0665.57008}, url = {http://geodesic.mathdoc.fr/item/MM2_1988__61_4_155315/} }
Pawel Traczyk. Non-Trivial negative links have positive signature.. Manuscripta mathematica, Tome 61 (1988) no. 4, pp. 279-284. http://geodesic.mathdoc.fr/item/MM2_1988__61_4_155315/