%0 Journal Article %A A. Yu. Kolesov %A N. Kh. Rozov %T The buffer property in a non-classical hyperbolic %J Sbornik. Mathematics %D 2006 %P 853-885 %V 197 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2006_197_6_a3/ %G en %F SM_2006_197_6_a3