TY  - JOUR
AU  - M.G. Ulmet
TI  - Boundary conditions for one-dimensional   positive semigroups.
JO  - Semigroup forum
PY  - 1992
SP  - 92
EP  - 119
VL  - 45
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135175/
ID  - SF_1992__45_3_135175
ER  -