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@article{IVM_1990_11_a1, author = {M. G. Grigoryan}, title = {Convergence of {Fourier-Walsh} series in the $L^1$~metric and almost everywhere}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {9--18}, publisher = {mathdoc}, number = {11}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_11_a1/} }
M. G. Grigoryan. Convergence of Fourier-Walsh series in the $L^1$~metric and almost everywhere. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1990), pp. 9-18. http://geodesic.mathdoc.fr/item/IVM_1990_11_a1/