On fixed points of multifunctions in ordered spaces

References

• Amann , A. 1980 . “ Order structures and fixed points ” . In Preprint , Germany : Ruhr-Universität,D-4630 Bochum .
   Google Scholar
• Aubin , J. and Cellina , A. 1984 . “ Differential inclusions ” . New York : Springer-Verlag .
   Google Scholar
• Deimling , K. 1985 . “ Nonlinear Functional Analysis ” . New York : Springer-Verlag .
   Google Scholar
• Heikkilä , S. 1990 . On fixed points through a generalized iteration method with applications to diflerential and integral equations involving discontinuities . Nonlinear Anal , 14 ( 5 ) : 413 – 426 .
   Web of Science ®Google Scholar
• Heikkilä , S. and Kumpulainen , M. 1989 . “ On the fixed points of a family of mappings ” . In Preprint. , Universityof Oulu : Mathematics .
   Google Scholar
• Hu S. Fixed points of multifunctions in ordered Banach spaces Manuscript (1987)
   Google Scholar
• Jingxian , Sun and Young , Sun . 1989 . A general principle on ordered sets and its applications to fixed point theory . Appl. Anal. , 34 ( 1+2 ) : 129 – 137 .
   Google Scholar
• Levy , A. 1979 . “ Basic set Theory ” . New York : Springer-verlag .
   Google Scholar
• Nagata , J. 1974 . “ Modern General Topology ” . North-Holland : Amsterdam .
   Google Scholar
• Smithson , R.E. 1971 . Fixed points of order preserving multifunctions . Pr0c.A.M.S. , 28 : 304 – 310 .
   Web of Science ®Google Scholar
• Zeidler , E. 1985 . “ Nonlinear Functional Analysis and its Applications ” . In (El Escorial, 1989), Quaderno IAC n. , Vol. I , New York : Spriger-Verlag .
   Google Scholar