%0 Journal Article
%A Karney, D. F.
%A Morse, J. N.
%A Ben-Israel, A.
%T Specifying the systematic risk of portfolios : a closed form solution
%J RAIRO - Operations Research - Recherche Opérationnelle
%D 1985
%P 243-246
%V 19
%N 3
%I EDP-Sciences
%U http://archive.numdam.org/item/RO_1985__19_3_243_0/
%G en
%F RO_1985__19_3_243_0