TY - JOUR AU - Joseph Roitberg TI - Note on phantom phenomena and groups of self-homotopy equivalences. JO - Commentarii mathematici Helvetici PY - 1991 SP - 448 EP - 457 VL - 66 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140242/ ID - CMH_1991__66_4_140242 ER -