A fixed Point Approach to Generalized Hyers-Ulam Stability of Quadratic Functional Equation in Matrix Normed Space
          K. Ravi; Pinelas, Sandra; A. Edwin Raj  
          
          Enlightenment of Pure and Applied Mathematics, 1(2) (2015), 37-52  
          http://aditisci.com/index.php?act=arti&jid=50&volId=40&issuId=51&arti=193&view=1  
           
            
         |