@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/