%0 Journal Article %A Mikulski, Włodzimierz M. %T Fiber product preserving bundle functors as modified vertical Weil functors %J Czechoslovak Mathematical Journal %D 2015 %P 517-528 %V 65 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0190-5/ %R 10.1007/s10587-015-0190-5 %G en %F 10_1007_s10587_015_0190_5