%0 Journal Article
%A Yu. I. Ermakov
%T On the theory of invariants of structural tensor fields
%J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
%D 1985
%P 51-86
%V 17
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTG_1985_17_a1/
%G ru
%F INTG_1985_17_a1