@article{TRSPY_1987_180_a107,
     author = {N. T. Polovina},
     title = {Absolute and strong $p$th-power summability of double fourier series by matrix methods},
     journal = {Informatics and Automation},
     pages = {179--180},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a107/}
}