@article{SM_1991_70_2_a11,
     author = {V. V. Lebedev},
     title = {Change of variable and the rapidity of decrease of {Fourier} coefficients},
     journal = {Sbornik. Mathematics},
     pages = {541--555},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1991_70_2_a11/}
}