%0 Journal Article %A Mleziva, Miroslav %T States of affairs as values for formulas %J Kybernetika %D 1975 %P 3-25 %V 11 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1975_11_1_a1/ %G en %F KYB_1975_11_1_a1