%0 Journal Article %A Joseph Roitberg %T Note on phantom phenomena and groups of self-homotopy equivalences. %J Commentarii mathematici Helvetici %D 1991 %P 448-457 %V 66 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140242/ %F CMH_1991__66_4_140242