@article{1256053077, author = {Goodrick, Richard E.}, title = {Numerical invariants of knots}, journal = {Illinois J. Math.}, volume = {14}, number = {4}, year = {1970}, pages = { 414-418}, language = {en}, url = {http://dml.mathdoc.fr/item/1256053077} }
Goodrick, Richard E. Numerical invariants of knots. Illinois J. Math., Tome 14 (1970) no. 4, pp. 414-418. http://gdmltest.u-ga.fr/item/1256053077/