%0 Journal Article %A D. A. Popov %T Spherical convergence of the Fourier series and integral of the indicator of a~two-dimensional domain %J Informatics and Automation %D 1997 %P 354-373 %V 218 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1997_218_a22/ %G ru %F TRSPY_1997_218_a22