%0 Journal Article %A John Kalliongis %T Realizing automorphisms of the fundamental group of irreducible 3-manifolds containing two-sided projective planes. %J Mathematische Annalen %D 1992 %P 707-728 %V 293 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164982/ %F MAN_1992__293_4_164982