TY - JOUR AU - Włodzimierz Mikulski TI - Continuity of projections of natural bundles JO - Annales Polonici Mathematici PY - 1992 SP - 105 EP - 120 VL - 57 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-57-2-105-120/ DO - 10.4064/ap-57-2-105-120 LA - en ID - 10_4064_ap_57_2_105_120 ER -