@article{IM2_1981_17_3_a5,
     author = {R. M. Trigub},
     title = {Absolute convergence of {Fourier} integrals, summability of {Fourier} series, and polynomial approximation of functions on the torus},
     journal = {Izvestiya. Mathematics },
     pages = {567--593},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_17_3_a5/}
}