%0 Journal Article %A O. V. Sil'vanovich %A N. A. Shirokov %T Approximation by entire functions on subsets of a ray %J Zapiski Nauchnykh Seminarov POMI %D 2006 %P 233-237 %V 337 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2006_337_a12/ %G ru %F ZNSL_2006_337_a12