@article{1102708254, author = {Hoffman, Michael}, title = {Noncoincidence index of manifolds.}, journal = {Pacific J. Math.}, volume = {115}, number = {2}, year = {1984}, pages = { 373-383}, language = {en}, url = {http://dml.mathdoc.fr/item/1102708254} }
Hoffman, Michael. Noncoincidence index of manifolds.. Pacific J. Math., Tome 115 (1984) no. 2, pp. 373-383. http://gdmltest.u-ga.fr/item/1102708254/