%0 Journal Article
%A Krupka, Demeter
%A Mikolášová, Věra
%T On the uniqueness of some differential invariants: $d$, $[,]$, $\nabla$
%J Czechoslovak Mathematical Journal
%D 1984
%P 588-597
%V 34
%N 4
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101984/
%R 10.21136/CMJ.1984.101984
%G en
%F 10_21136_CMJ_1984_101984