@article{MZM_1979_25_2_a4,
     author = {L. V. Taikov},
     title = {Structural and constructive characteristics of functions in $L_2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {217--223},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1979_25_2_a4/}
}