Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JCA_1998_5_1_a10, author = {T. Nishishiraho}, title = {Korovkin {Sets} and {Mean} {Ergodic} {Theorems}}, journal = {Journal of convex analysis}, pages = {147--152}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {1998}, url = {http://geodesic.mathdoc.fr/item/JCA_1998_5_1_a10/} }
T. Nishishiraho. Korovkin Sets and Mean Ergodic Theorems. Journal of convex analysis, Tome 5 (1998) no. 1, pp. 147-152. http://geodesic.mathdoc.fr/item/JCA_1998_5_1_a10/