@article{1029000469,
author = {Costich, O. L.},
title = {A relation between Poincar\'e duality and quotients of cohomology manifolds.},
journal = {Michigan Math. J.},
volume = {17},
number = {1},
year = {1970},
pages = { 225-230},
language = {en},
url = {http://dml.mathdoc.fr/item/1029000469}
}
Costich, O. L. A relation between Poincaré duality and quotients of cohomology manifolds.. Michigan Math. J., Tome 17 (1970) no. 1, pp. 225-230. http://gdmltest.u-ga.fr/item/1029000469/