@article{DAN_1970_193_2_a6,
     author = {V. A. Il'in and Sh. A. Alimov},
     title = {Conditions for uniform {Riesz} summability, of {Fourier} series in an arbitrary fundamental function system of {Laplace's} operator,},
     journal = {Doklady Akademii Nauk},
     pages = {276--279},
     year = {1970},
     volume = {193},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_2_a6/}
}