Common Fixed Points Via Weakly Biased Gregus Type Mappings
LJ. B. Ciric and J. S. Ume
Abstract. 
In this paper we investigate generalized
Gregus type mappings. We proved some common fixed point
theorems for four mappings, using the concept of weakly
biased mappings.
AMS subject classification: 
47H10, 54H25
Keywords: 
Gregus type mapping, weakly biased
mappings, common fixed point
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