%0 Journal Article %A V. V. Ryzhikov %T Absolute continuity and singularity of spectra for the flows $T_t\otimes T_{at}$ %J Funkcionalʹnyj analiz i ego priloženiâ %D 2022 %P 88-92 %V 56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2022_56_3_a5/ %G ru %F FAA_2022_56_3_a5