Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1978__236_163172, author = {Klaus Donner and Heinz Bauer}, title = {Korovkin {Approximation} in {C0(X).}}, journal = {Mathematische Annalen}, pages = {225--238}, publisher = {mathdoc}, volume = {236}, year = {1978}, zbl = {0368.46028}, url = {http://geodesic.mathdoc.fr/item/MAN_1978__236_163172/} }
Klaus Donner; Heinz Bauer. Korovkin Approximation in C0(X).. Mathematische Annalen, Tome 236 (1978), pp. 225-238. http://geodesic.mathdoc.fr/item/MAN_1978__236_163172/