@article{VMUMM_2007_4_a2,
     author = {S. A. Stepanyants},
     title = {A problem of inclusion of discrete {Riesz} means methods},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {12--17},
     publisher = {mathdoc},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2007_4_a2/}
}