TY - JOUR AU - N. T. Polovina TI - Absolute and strong $p$th-power summability of double fourier series by matrix methods JO - Informatics and Automation PY - 1987 SP - 179 EP - 180 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a107/ LA - ru ID - TRSPY_1987_180_a107 ER -