@article{MZM_2021_109_6_a9,
     author = {N. T. Tleukhanova and A. N. Bashirova},
     title = {On {Multipliers} of {Fourier} {Series} in the {Haar} {System}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {912--920},
     publisher = {mathdoc},
     volume = {109},
     number = {6},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_6_a9/}
}