%0 Journal Article %A Tian, Yongge %T Some equalities for generalized inverses of matrix sums and block circulant matrices %J Archivum mathematicum %D 2001 %P 301-306 %V 37 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2001__37_4_a6/ %G en %F ARM_2001__37_4_a6