%0 Journal Article
%A L. G. Gurov
%T On the stability of Lorentz mappings. Estimates for derivatives
%J Doklady Akademii Nauk
%D 1975
%P 273-276
%V 220
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_220_2_a2/
%G ru
%F DAN_1975_220_2_a2