%0 Journal Article
%A H.J.A.M. Heijmans
%T Structured Populations, Linear Semigrous and Positivity.
%J Mathematische Zeitschrift
%D 1986
%P 599-618
%V 191
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1986__191_173704/
%F MZ_1986__191_173704