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@article{INTO_2021_200_a4, author = {M. G. Grigoryan}, title = {On universal {Fourier--Walsh} series}, journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory}, pages = {45--57}, publisher = {mathdoc}, volume = {200}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTO_2021_200_a4/} }
M. G. Grigoryan. On universal Fourier--Walsh series. Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the 20 International Saratov Winter School "Contemporary Problems of Function Theory and Their Applications", Saratov, January 28 — February 1, 2020. Part 2, Tome 200 (2021), pp. 45-57. http://geodesic.mathdoc.fr/item/INTO_2021_200_a4/