%0 Journal Article %A Rachůnek, Jiří %T Polars in autometrized algebras %J Czechoslovak Mathematical Journal %D 1989 %P 681-685 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102344/ %R 10.21136/CMJ.1989.102344 %G en %F 10_21136_CMJ_1989_102344