%0 Journal Article
%A Tošić Ratko
%T On the class of 

 constant-preserving Boolean functions over the finite Bollean algebras
%J Novi Sad Journal of Mathematics
%D 1980
%P 197-203
%V 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1980_10_Nonea_24/
%F NSJOM_1980_10_Nonea_24