@article{VMUMM_2020_2_a8,
     author = {S. M. Voronov},
     title = {Analogue of the {Hardy--Littlewood} criterion for {Fourier} series over {Vilenkin} system in the case
},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {48--51},
     publisher = {mathdoc},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2020_2_a8/}
}