@article{IM2_2016_80_6_a3,
     author = {M. G. Grigoryan and K. A. Navasardyan},
     title = {Universal functions in `correction' problems guaranteeing the convergence of {Fourier--Walsh} series},
     journal = {Izvestiya. Mathematics },
     pages = {1057--1083},
     publisher = {mathdoc},
     volume = {80},
     number = {6},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2016_80_6_a3/}
}