%0 Journal Article
%A Ferry H. Kwakkel
%T Focal rigidity of hyperbolic surfaces
%J Annales Fennici Mathematici
%D 2012
%P 149-159
%V 37
%N 1
%U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2012.3724/
%R 10.5186/aasfm.2012.3724
%G en
%F AFM_2012_37_1_a10