@article{1206127716,
author = {Matumoto, Takao and Katanaga, Atsuko},
title = {On 4-dimensional closed manifolds with free fundamental groups},
journal = {Hiroshima Math. J.},
volume = {25},
number = {3},
year = {1995},
pages = { 367-370},
language = {en},
url = {http://dml.mathdoc.fr/item/1206127716}
}
Matumoto, Takao; Katanaga, Atsuko. On 4-dimensional closed manifolds with free fundamental groups. Hiroshima Math. J., Tome 25 (1995) no. 3, pp. 367-370. http://gdmltest.u-ga.fr/item/1206127716/