%0 Journal Article %A A. M. Kuznetsov %T Visibility metrics on the boundary at infinity for the complex hyperbolic plane %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 70-92 %V 353 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_353_a7/ %G ru %F ZNSL_2008_353_a7