%0 Journal Article %A A. G. Kachurovskii %T The Fejer integrals and the von Neumann ergodic theorem with continuous time %J Zapiski Nauchnykh Seminarov POMI %D 2018 %P 171-182 %V 474 %U http://geodesic.mathdoc.fr/item/ZNSL_2018_474_a11/ %G ru %F ZNSL_2018_474_a11