@article{MZM_2000_67_1_a9,
     author = {T. P. Lukashenko},
     title = {Analogs of the {Kolmogorov--Seliverstov--Plessner} theorem for nonorthogonal function systems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {87--101},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_1_a9/}
}