%0 Journal Article
%A Prvanović Mileva
%T On some 

 semi-Chebishev compositions
%J Novi Sad Journal of Mathematics
%D 1972
%P 7-21
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1972_2_Nonea_1/
%F NSJOM_1972_2_Nonea_1