%0 Journal Article
%A Kulenović Mustafa R. S.
%A Budinčević Mirko
%T Perturbatons of a linear 

 differential equation
%J Novi Sad Journal of Mathematics
%D 1993
%P 113-120
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1993_23_2a_9/
%F NSJOM_1993_23_2a_9