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@article{SF_1992__45_3_135175, author = {M.G. Ulmet}, title = {Boundary conditions for one-dimensional positive semigroups.}, journal = {Semigroup forum}, pages = {92--119}, publisher = {mathdoc}, volume = {45}, number = {3}, year = {1992}, zbl = {0778.47033}, url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135175/} }
M.G. Ulmet. Boundary conditions for one-dimensional positive semigroups.. Semigroup forum, Tome 45 (1992) no. 3, pp. 92-119. http://geodesic.mathdoc.fr/item/SF_1992__45_3_135175/