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Fixed-point theory for multivalued mappings in completely regular topological vector spaces
(Elsevier BV, 1998-11-01)
Fixed-point theory for weakly sequentially continuous mappings
(Elsevier BV, 1998-03-01)
Some fixed-point theorems are established for weakly contractive operators. These results will then be used to establish existence principles for functional, differential, and integral equations.
Fixed points for set-valued mappings in locally convex linear topological spaces
(Elsevier BV, 1998-07-01)