@article{SM_1977_31_3_a1,
     author = {A. B. Gulisashvili and V. A. Rodin and E. M. Semenov},
     title = {Fourier coefficients of summable functions},
     journal = {Sbornik. Mathematics},
     pages = {319--328},
     publisher = {mathdoc},
     volume = {31},
     number = {3},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_31_3_a1/}
}