%0 Journal Article %A Cordovil, Raul %T On the center of the fundamental group of the complement of a hyperplane arrangement. %J Portugaliae mathematica %D 1994 %P 363-373 %V 51 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1994__51_3_47450/ %G en %F PORMA_1994__51_3_47450