@article{SM_1972_18_4_a6,
     author = {B. I. Golubov},
     title = {On~the convergence of {Riesz} spherical means of multiple {Fourier} series and integrals of functions of bounded generalized variation},
     journal = {Sbornik. Mathematics},
     pages = {635--658},
     year = {1972},
     volume = {18},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1972_18_4_a6/}
}