@article{GDZPPN001261908,
title = {Boundary conditions for one-dimensional positive semigroups.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {92-119},
zbl = {0778.47033},
url = {http://dml.mathdoc.fr/item/GDZPPN001261908}
}
Ulmet, M.G. Boundary conditions for one-dimensional positive semigroups.. Semigroup forum, Tome 44 (1992) pp. 92-119. http://gdmltest.u-ga.fr/item/GDZPPN001261908/