%0 Journal Article %A L. E. Evtushik %A V. B. Tret'yakov %T Structures that can be defined by a~system of higher order ordinary differential equations %J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara %D 1974 %P 243-255 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTG_1974_6_a12/ %G ru %F INTG_1974_6_a12