%0 Journal Article %A P. I. Lizorkin %T Theorems of Littlewood--Paley type for multiple Fourier integrals %J Informatics and Automation %D 1967 %P 214-230 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1967_89_a10/ %G ru %F TRSPY_1967_89_a10