%0 Journal Article %A Hông Vân Lê %A J. Vanžura %T Classification of $k$-forms on $\mathbb{R}^n$ and the existence of associated geometry on manifolds %J Čebyševskij sbornik %D 2020 %P 362-382 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2020_21_2_a24/ %G en %F CHEB_2020_21_2_a24