%0 Journal Article
%A M.G. Ulmet
%T Boundary conditions for one-dimensional   positive semigroups.
%J Semigroup forum
%D 1992
%P 92-119
%V 45
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135175/
%F SF_1992__45_3_135175