@article{SM_2024_215_6_a0,
     author = {M. G. Grigoryan},
     title = {On universal (in the sense of signs) {Fourier} series with respect to the {Walsh} system},
     journal = {Sbornik. Mathematics},
     pages = {717--742},
     publisher = {mathdoc},
     volume = {215},
     number = {6},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2024_215_6_a0/}
}