Authors: Costea, Nicuşor, Csirik, Mihály, Varga, Csaba

Superior Title: Zeitschrift für angewandte Mathematik und Physik: Journal of Applied Mathematics and Physics /Journal de Mathématiques et de Physique appliquées. October 2015 66(5):2787-2806

Authors: Mihăilescu, Mihai^{Aff1, Aff2}, Stancu-Dumitru, Denisa^Aff3, Varga, Csaba^Aff3

Superior Title: Nonlinear Differential Equations and Applications NoDEA. 22(5):1067-1087

Authors: Perera, Kanishka, Pucci, Patrizia, Varga, Csaba

Superior Title: Nonlinear Differential Equations and Applications NoDEA. June 2014 21(3):441-451