%0 Journal Article
%A S. Topa
%T Determination of differential concomitants of the first class of a pair of covariant vectors in a two-dimensional space
%J Annales Polonici Mathematici
%D 1967
%P 337-341
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-19-3-337-341/
%R 10.4064/ap-19-3-337-341
%G en
%F 10_4064_ap_19_3_337_341