Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2000_30_3a_0, author = {N. Ad\v{z}i\'c}, title = {Spectral approximation and nonlocal boundary value problems}, journal = {Novi Sad Journal of Mathematics}, pages = {1-10}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {2000}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2000_30_3a_0/} }
N. Adžić. Spectral approximation and nonlocal boundary value problems. Novi Sad Journal of Mathematics, Tome 30 (2000) no. 3. http://geodesic.mathdoc.fr/item/NSJOM_2000_30_3a_0/