%0 Journal Article %A O'Regan, Donal %T Fixed point theory for closed multifunctions %J Archivum mathematicum %D 1998 %P 191-197 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1998__34_1_a17/ %G en %F ARM_1998__34_1_a17