TY - JOUR AU - Arkadiusz Dobrowolski TI - Coverings of stably parallelizable manifolds JO - Colloquium Mathematicum PY - 1989 SP - 55 EP - 58 VL - 57 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-55-58/ DO - 10.4064/cm-57-1-55-58 LA - en ID - 10_4064_cm_57_1_55_58 ER -