%0 Journal Article
%A Deniau, Claude
%A Oppenheim, Georges
%A Viano, Marie-Claude
%T Estimation of a centrality parameter and random sampling time. I. Necessary conditions for optimality
%J Kybernetika
%D 1990
%P 67-78
%V 26
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1990__26_1_a4/
%G en
%F KYB_1990__26_1_a4