%0 Journal Article %A G. A. Karagulyan %T On the divergence of triangular and eccentric spherical sums of double Fourier series %J Sbornik. Mathematics %D 2016 %P 65-84 %V 207 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2016_207_1_a2/ %G en %F SM_2016_207_1_a2