TY - JOUR AU - Mikulski, Włodzimierz M. TI - Regularity conditions for liftings of functions and vector fields to natural bundles JO - Časopis pro pěstování matematiky PY - 1984 SP - 127 EP - 134 VL - 109 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1984.108504/ DO - 10.21136/CPM.1984.108504 LA - en ID - 10_21136_CPM_1984_108504 ER -