@article{1255455002, author = {Crowell, Richard H.}, title = {Nonalternating links}, journal = {Illinois J. Math.}, volume = {3}, number = {1}, year = {1959}, pages = { 101-120}, language = {en}, url = {http://dml.mathdoc.fr/item/1255455002} }
Crowell, Richard H. Nonalternating links. Illinois J. Math., Tome 3 (1959) no. 1, pp. 101-120. http://gdmltest.u-ga.fr/item/1255455002/