%0 Journal Article %A V. A. Gurvich %T Some properties of influence functions %J Doklady Akademii Nauk %D 1989 %P 1311-1317 %V 307 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_307_6_a6/ %G ru %F DAN_1989_307_6_a6