%0 Journal Article %A A. M. Stepin %T Properties of spectra of ergodic dynamic systems with locally compact time %J Doklady Akademii Nauk %D 1966 %P 773-776 %V 169 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_4_a7/ %G ru %F DAN_1966_169_4_a7