%0 Journal Article
%A Emilija Nešović
%T Hyperbolic angle function in the Lorentzian plane
%J Kragujevac Journal of Mathematics
%D 2005
%P 139 - 144
%V 28
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KJM_2005_28_1_a9/
%F KJM_2005_28_1_a9