[1] K.Fall, Extension of two fixed point theorems of F.E.Browder, Math.Z., 112 (1969), 234~240.
[2] X.P.Ding and K.K.Tan, A set-valued generalization of Fan's best approximation theorem, Can.J.Math., 44, 4 (1992), 783 -796.
[3] X.P.Ding and E.Tarafdar, Some further generalizations of Ky Fan's bestapproximation theorem, J.Approx.Theory, 81, 3 (1995), 406-420.
[4] F.E.Browder, On a sharpened form of the Schauder fixed point theorem, Proc..Nat.Acad.Sci., USA, 74 (1977), 4749-4751.
[5] C.W.Ha, Minimax and fixed point theorem, Math.Ann., 248 (1980), 73 -77.
[6] C.W.Ha, On a minimax inequality of Ky Fan.Proc Math. Soc, 99, 4 (1987), 680~682.
[7] S.Park, Fixed point theorems on compact convex sets in topological vector spaces, Contemp.Math., 72 (1988), 183~191.
[8] S.Reich, Approximate selections, best approximations, fixed points and invariant sets.J.Math.Anal.Appl., 62 (1978), 104-113. |
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