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@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}, publisher = {mathdoc}, volume = {42}, number = {3}, year = {1991}, zbl = {0739.22003}, url = {http://geodesic.mathdoc.fr/item/SF_1991__42_3_135076/} }
J.S. Pym; A. Forouzanfar. Compact right uppersemicontinuous semigroups of closed sets.. Semigroup forum, Tome 42 (1991) no. 3, pp. 175-188. http://geodesic.mathdoc.fr/item/SF_1991__42_3_135076/