%0 Journal Article %A Yu. A. Neretin %T Beta functions of Bruhat--Tits buildings and deformation of $l^2$ %J Sbornik. Mathematics %D 2003 %P 1775-1805 %V 194 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2003_194_12_a1/ %G en %F SM_2003_194_12_a1