%0 Journal Article %A Dušan B. Stokić %T An algorithm for determining Lagrange's function by using the variational principle with vanishing parameter %J Theoretical and applied mechanics %D 1989 %P 107 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_1989_15_1_a11/ %G en %F TAM_1989_15_1_a11