@article{SF_1991__42_3_135076,
     author = {J.S. Pym and A. Forouzanfar},
     title = {Compact right uppersemicontinuous semigroups of closed sets.},
     journal = {Semigroup forum},
     pages = {175--188},
     year = {1991},
     volume = {42},
     number = {3},
     zbl = {0739.22003},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__42_3_135076/}
}