%0 Journal Article %A Chajda, Ivan %T An algebra of quasiordered logic %J Mathematica Bohemica %D 1994 %P 129-135 %V 119 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126081/ %R 10.21136/MB.1994.126081 %G en %F 10_21136_MB_1994_126081