@article{SM_1974_22_4_a4,
     author = {A. S. Krantsberg},
     title = {On divergent {Fourier} series in orthogonal systems},
     journal = {Sbornik. Mathematics},
     pages = {547--560},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_22_4_a4/}
}