%0 Journal Article %T Hyers-Ulam stability of functional equations in matrix normed spaces %A Jung R Lee %A Dong Y Shin and Choonkil Park %J Journal of Inequalities and Applications %D 2013 %I %R 10.1186/1029-242X-2013-22 %X MSC: 47L25, 39B82, 46L07, 39B52. %K operator space %K Hyers-Ulam stability %K Cauchy additive functional equation %K quadratic functional equation %U http://www.journalofinequalitiesandapplications.com/content/2013/1/22/abstract