%0 Journal Article %A Hromkovič, Juraj %T On the number of monotonic functions from two-valued logic to $k$-valued logic %J Kybernetika %D 1985 %P 228-234 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1985__21_3_a4/ %G en %F KYB_1985__21_3_a4