TY - JOUR AU - Ulf Persson AU - C.A.M. Peters TI - Homeomorphic non-diffeomorphic surfaces with samll invariants. JO - Manuscripta mathematica PY - 1993 SP - 173 EP - 182 VL - 79 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1993__79_1_155832/ ID - MM2_1993__79_1_155832 ER -