@article{DAN_1975_225_1_a7,
     author = {S. V. Bochkarev},
     title = {A {Fourier} series in an arbitrary bounded orthonormal system that diverges on a set of positive measure},
     journal = {Doklady Akademii Nauk},
     pages = {35--36},
     publisher = {mathdoc},
     volume = {225},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_225_1_a7/}
}