%0 Journal Article %A Donald W. Kahn %T Realization Problems for the Group of Homotopy Classes of Self-Equivalences. %J Mathematische Annalen %D 1976 %P 37-46 %V 220 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1976__220_162803/ %F MAN_1976__220_162803