%0 Journal Article %A N. Ch. Krutitskaya %T Best possible localization conditions for rectangular Ces\'aro means and Abel means in restricted summability of a~multiple trigonometric Fourier series in Liouville classes %J Izvestiya. Mathematics %D 1973 %P 589-599 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a6/ %G en %F IM2_1973_7_3_a6