Fixed points and the stability of Jensen's functional equation. Cǎdariu, Liviu; Radu, Viorel — 2003 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Fixed points and stability for functional equations in probabilistic metric and random normed spaces. Cădariu, Liviu; Radu, Viorel — 2009 Fixed Point Theory and Applications [electronic only]
Stability results for some functional equations of quadratic-type. Cădariu, Liviu; Radu, Viorel — 2005 Acta Universitatis Apulensis. Mathematics - Informatics
Fixed point methods for the generalized stability of functional equations in a single variable. Cădariu, Liviu; Radu, Viorel — 2008 Fixed Point Theory and Applications [electronic only]