%0 Journal Article %T Ulam-Hyers-Rassias Stability of a Hyperbolic Partial Differential Equation %A Nicolaie Lungu %A Cecilia Cră %A ciun %J ISRN Mathematical Analysis %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/609754 %U http://dx.doi.org/10.5402/2012/609754