%0 Journal Article %A MichaƂ Sadowski %T On isomorphisms between fibrations over $T^k$ associated with a $T^k$ action %J Annales Polonici Mathematici %D 1991 %P 45-51 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-53-1-45-51/ %R 10.4064/ap-53-1-45-51 %G en %F 10_4064_ap_53_1_45_51