%0 Journal Article %A A. G. Baskakov %A I. A. Krishtal %T Harmonic analysis of causal operators and their spectral properties %J Izvestiya. Mathematics %D 2005 %P 439-486 %V 69 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2005_69_3_a0/ %G en %F IM2_2005_69_3_a0