1. Browder, F.E., The fixed point theory of multi-valued mappings in topological vector spaces,Math. Ann.,177 (1968), 283–301.
2. Ky Fan, Extension of two fixed-point theorems of F. E. Browder,Math. Zeit.,112, (1969), 234–240.
3. Ky Fan, A minimax inequality and applications, inInequalities III, Ed. O. Shisha (Academic Press, New York, 1972), 103–113.
4. Jiang Jiahe, Fixed point theorems for multivalued mappings in locally convex spaces,Acta Math. Sinica,25 (1982), 365–373.
5. Ky Fan, Fixed-point and related theorems for non-compact convex sets, inGame Theory and Related Topics, Eds. O. Moeschlin and D. Pallaschke (North-Holland Publ. Co., Amsterdam. 1979) 151–156.