@article{IM2_2015_79_4_a7,
     author = {R. M. Trigub},
     title = {Summability of trigonometric {Fourier} series at $d$-points and a~generalization of the {Abel--Poisson} method},
     journal = {Izvestiya. Mathematics },
     pages = {838--858},
     publisher = {mathdoc},
     volume = {79},
     number = {4},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2015_79_4_a7/}
}