%0 Journal Article
%A Bl. Sendov
%A H. Sendov
%T Extention of Apolarity and Grace Theorem
%J Mathematica balkanica
%D 2013
%P 77
%V 27
%N 1-2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_2013_27_1-2_a6/
%F MABA_2013_27_1-2_a6