@article{1256053312, author = {Martin, Joseph}, title = {$3$-manifolds with disjoint spines are products}, journal = {Illinois J. Math.}, volume = {14}, number = {4}, year = {1970}, pages = { 178-181}, language = {en}, url = {http://dml.mathdoc.fr/item/1256053312} }
Martin, Joseph. $3$-manifolds with disjoint spines are products. Illinois J. Math., Tome 14 (1970) no. 4, pp. 178-181. http://gdmltest.u-ga.fr/item/1256053312/