%0 Journal Article %A Krupková, Olga %T Lepagean 2-forms in higher order Hamiltonian mechanics. I. Regularity %J Archivum mathematicum %D 1986 %P 97-120 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1986__22_2_a4/ %G en %F ARM_1986__22_2_a4