@article{1248355354, author = {Nikkuni, Ryo}, title = {Delta edge-homotopy invariants of spatial graphs via disk-summing the constituent knots}, journal = {Illinois J. Math.}, volume = {52}, number = {1}, year = {2008}, pages = { 629-644}, language = {en}, url = {http://dml.mathdoc.fr/item/1248355354} }
Nikkuni, Ryo. Delta edge-homotopy invariants of spatial graphs via disk-summing the constituent knots. Illinois J. Math., Tome 52 (2008) no. 1, pp. 629-644. http://gdmltest.u-ga.fr/item/1248355354/