%0 Journal Article
%A Charlier, Benjamin
%T Necessary and sufficient condition for the existence of a Fréchet mean on the circle
%J ESAIM: Probability and Statistics
%D 2013
%P 635-649
%V 17
%I EDP-Sciences
%U http://archive.numdam.org/articles/10.1051/ps/2012015/
%R 10.1051/ps/2012015
%G en
%F PS_2013__17__635_0