@article{MZM_1980_28_6_a7,
     author = {G. M. Ustinov},
     title = {Finite-dimensional {Korovkin} spaces in spaces of affine functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {883--898},
     publisher = {mathdoc},
     volume = {28},
     number = {6},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1980_28_6_a7/}
}