%0 Journal Article %A V. G. Kurbatov %T Bounds of the spectral radii of retarding operators in the space of continuous and bounded functions on the real line %J Funkcionalʹnyj analiz i ego priloženiâ %D 1975 %P 56-60 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1975_9_3_a5/ %G ru %F FAA_1975_9_3_a5