TY - JOUR AU - Samuel Omoloye Ajala TI - Smooth structures on Pi-manifolds JO - Kragujevac Journal of Mathematics PY - 2004 SP - 49 VL - 26 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2004_26_a6/ LA - en ID - KJM_2004_26_a6 ER -