%0 Journal Article %A Chrastina, Jan %T On the equivalence of variational problems. III %J Czechoslovak Mathematical Journal %D 1994 %P 535-560 %V 44 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128476/ %R 10.21136/CMJ.1994.128476 %G en %F 10_21136_CMJ_1994_128476