TY - JOUR AU - N. Adžić TI - Spectral approximation and nonlocal boundary value problems JO - Novi Sad Journal of Mathematics PY - 2000 SP - 1 EP - 10 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_2000_30_3a_0/ ID - NSJOM_2000_30_3a_0 ER -