%0 Journal Article %A M. A. Skopina %T On the almost everywhere convergence of Marcinkiewicz sums of double Fourier series %J Zapiski Nauchnykh Seminarov POMI %D 1991 %P 148-156 %V 190 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1991_190_a6/ %G ru %F ZNSL_1991_190_a6