1. A generalization of lemma of Bellman and its application to uniqueness problems of differential equations;Bihari;Acta Math. Acad. Sci. Hung.,1956
2. Integral Inequalities and Applications;Bainov,1992
3. S.D. Borysenko, G. Iovane, Integro-Sum Inequalities and Qualitative Analysis Dynamical Systems with Perturbations, Tipografia-Legatoria ELDA Università of Salerno, Salerno, 2006
4. G. Iovane, S.D. Borysenko, Boundedness,stability, practical stability of motion impulsive systems, in: Proc. DE@CAS, Brest, 2005, pp. 15–21
5. Some new integral inequalities of Bellman–Bihari type with delay for discontinuous functions;Iovane;Nonlinear Anal.,2007