TY - JOUR AU - C. Wall TI - On bundles over a sphere with fibre Euclidean space JO - Fundamenta Mathematicae PY - 1967 SP - 57 EP - 72 VL - 61 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-61-1-57-72/ DO - 10.4064/fm-61-1-57-72 LA - en ID - 10_4064_fm_61_1_57_72 ER -