%0 Journal Article %A Mikulski, Włodzimierz M. %T The jet prolongations of $2$-fibred manifolds and the flow operator %J Archivum mathematicum %D 2008 %P 17-21 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2008__44_1_a2/ %G en %F ARM_2008__44_1_a2