@article{IVM_1971_1_a7,
     author = {V. I. Prokhorenko},
     title = {Divergent {Fourier} series with respect to {Haar's} system},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {62--68},
     publisher = {mathdoc},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_1_a7/}
}