TY - JOUR AU - Krupka, Demeter TI - Reducibility theorems for differentiable liftings in fiber bundles JO - Archivum mathematicum PY - 1979 SP - 93 EP - 106 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1979__15_2_a2/ LA - en ID - ARM_1979__15_2_a2 ER -