%0 Journal Article
%A Niederle, Josef
%T Conditions for transitive principal tolerances
%J Czechoslovak Mathematical Journal
%D 1989
%P 380-381
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102309/
%R 10.21136/CMJ.1989.102309
%G en
%F 10_21136_CMJ_1989_102309