@article{GDZPPN00209231X, title = {A Splitting Theorem for Manifolds.}, journal = {Inventiones mathematicae}, volume = {34}, year = {1976}, pages = {69-170}, zbl = {0348.57017}, url = {http://dml.mathdoc.fr/item/GDZPPN00209231X} }
Cappell, Sylvain E. A Splitting Theorem for Manifolds.. Inventiones mathematicae, Tome 34 (1976) pp. 69-170. http://gdmltest.u-ga.fr/item/GDZPPN00209231X/