%0 Journal Article %A Álvaro Martinez-Pérez %T Real valued functions and metric spaces quasi-isometric to trees %J Annales Fennici Mathematici %D 2012 %P 525-538 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2012.3734/ %R 10.5186/aasfm.2012.3734 %G en %F AFM_2012_37_2_a12