%0 Journal Article
%A M. Elin
%A M. Levenshtein
%A S. Reich
%A D. Shoikhet
%T Some inequalities for the horosphere function and hyperbolically nonexpansive mappings on the Hilbert ball
%J Contemporary Mathematics. Fundamental Directions
%D 2012
%P 75-93
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2012_45_a5/
%G ru
%F CMFD_2012_45_a5