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2. Common coupled fixed point theorems in cone metric spaces for w-compatible mapping;Abbas;Applied Mathematics and Computation,2010
3. Common fixed point results for noncommuting mappings without continuity in cone metric spaces;Abbas;Journal of Mathematical Analysis and Applications,2008
4. Fixed and periodic point results in cone metric spaces;Abbas;Applied Mathematics Letters,2008
5. Common fixed points for four maps in cone metric spaces;Abbas;Applied Mathematics and Computation,2010