@article{DAN_1973_210_1_a4,
     author = {B. S. Mityagin and E. M. Nikishin},
     title = {On the divergence of {Fourier} series almost everywhere},
     journal = {Doklady Akademii Nauk},
     pages = {23--25},
     publisher = {mathdoc},
     volume = {210},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_1_a4/}
}