@article{MZM_2004_75_6_a2,
     author = {A. V. Korovkin and V. N. Malozemov},
     title = {Ahmed{\textendash}Rao {Bases}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {834--840},
     year = {2004},
     volume = {75},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_6_a2/}
}