@article{SM_2016_207_1_a2,
     author = {G. A. Karagulyan},
     title = {On the divergence of triangular and eccentric spherical sums of double {Fourier} series},
     journal = {Sbornik. Mathematics},
     pages = {65--84},
     publisher = {mathdoc},
     volume = {207},
     number = {1},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_1_a2/}
}