%0 Journal Article %A N. T. Polovina %T Absolute and strong $p$th-power summability of double fourier series by matrix methods %J Informatics and Automation %D 1987 %P 179-180 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a107/ %G ru %F TRSPY_1987_180_a107