%0 Journal Article %A N. Adžić %T Spectral approximation and nonlocal boundary value problems %J Novi Sad Journal of Mathematics %D 2000 %P 1-10 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2000_30_3a_0/ %F NSJOM_2000_30_3a_0