%0 Journal Article %A Krupková, Olga %T On the inverse problem of the calculus of variations for ordinary differential equations %J Mathematica Bohemica %D 1993 %P 261-276 %V 118 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1993.125932/ %R 10.21136/MB.1993.125932 %G en %F 10_21136_MB_1993_125932