@article{TRSPY_1997_218_a22,
     author = {D. A. Popov},
     title = {Spherical convergence of the {Fourier} series and integral of the indicator of a~two-dimensional domain},
     journal = {Informatics and Automation},
     pages = {354--373},
     publisher = {mathdoc},
     volume = {218},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1997_218_a22/}
}