TY - JOUR AU - D. A. Popov TI - Spherical convergence of the Fourier series and integral of the indicator of a~two-dimensional domain JO - Informatics and Automation PY - 1997 SP - 354 EP - 373 VL - 218 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1997_218_a22/ LA - ru ID - TRSPY_1997_218_a22 ER -