@article{DAN_1964_156_2_a2,
     author = {B. I. Golubov},
     title = {Fourier series of continuous functions relative to a {Haar} system},
     journal = {Doklady Akademii Nauk},
     pages = {247--250},
     publisher = {mathdoc},
     volume = {156},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_2_a2/}
}