%0 Journal Article %A I. È. Strazdin' %T The number of self-dual types in finite-valued logics %J Matematičeskie zametki %D 1974 %P 631-639 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_15_4_a14/ %G ru %F MZM_1974_15_4_a14