Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1992_22_2a_2, author = {Petrovi\'c Nenad}, title = {On a difference scheme for singular perturbation problems}, journal = {Novi Sad Journal of Mathematics}, pages = {23-37}, publisher = {mathdoc}, volume = {22}, number = {2}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1992_22_2a_2/} }
Petrović Nenad. On a difference scheme for singular perturbation problems. Novi Sad Journal of Mathematics, Tome 22 (1992) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1992_22_2a_2/