TY - JOUR AU - M. A. Skopina TI - The order of growth of quadratic partial sums of a double Fourier series JO - Matematičeskie zametki PY - 1992 SP - 69 EP - 79 VL - 51 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_51_6_a9/ LA - ru ID - MZM_1992_51_6_a9 ER -