%0 Journal Article
%A R. 

 Doroslovački
%A O. Marković
%T ri-Words over any alphabet without subword a b... b a for fixed a, b and k, 

 p
%J Novi Sad Journal of Mathematics
%D 2000
%P 165-170
%V 30
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_2000_30_2a_16/
%F NSJOM_2000_30_2a_16