%0 Journal Article
%A S. B. Kadomtsev
%A È. G. Poznyak
%A D. D. Sokolov
%T Some problems of Lobachevskii geometry that are connected with physics
%J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
%D 1982
%P 157-188
%V 13
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTG_1982_13_a4/
%G ru
%F INTG_1982_13_a4