%0 Journal Article
%A J. Achari
%T Extensions of  Ćirić's quasi-constraction in Banach spaces
%J Matematički vesnik
%D 1976
%P 258 
%V 28
%N 2
%U http://geodesic.mathdoc.fr/item/MV_1976_28_2_a15/
%F MV_1976_28_2_a15