@article{SM_1995_83_2_a2,
     author = {B. I. Golubov},
     title = {On a theorem of {Bellman} on {Fourier} coefficients},
     journal = {Sbornik. Mathematics},
     pages = {321--330},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_83_2_a2/}
}