Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1974_1_a2, author = {R. K. Vasil'ev}, title = {Normed lattices without countable {Korovkin} systems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {21--30}, publisher = {mathdoc}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_1_a2/} }
R. K. Vasil'ev. Normed lattices without countable Korovkin systems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1974), pp. 21-30. http://geodesic.mathdoc.fr/item/IVM_1974_1_a2/