%0 Journal Article
%A Sierksma, Gerard
%A Dietzenbacher, Erik
%T Starshapedness and its applications to input-output models
%J Portugaliae mathematica
%D 1990
%P 215-226
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1990__47_2_115714/
%G en
%F PORMA_1990__47_2_115714