%0 Journal Article
%A Surla 

 Katarina
%T A quadratic spline 

 difference scheme for a self-adjoint boundarz value problem
%J Novi Sad Journal of Mathematics
%D 1989
%P 139-147
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1989_19_2a_13/
%F NSJOM_1989_19_2a_13