On certain new Gronwall-Ou-Iang type integral inequalities in two variables and their applications. Cheung, Wing-Sum; Ma, Qing-Hua — 2005 Journal of Inequalities and Applications [electronic only]
A more generalized Gronwall-like integral inequality with applications. Ma, Qing-Hua; Debnath, Lokenath — 2003 International Journal of Mathematics and Mathematical Sciences
Some new nonlinear weakly singular integral inequalities of Wendroff type with applications. Cheung, Wing-Sum; Ma, Qing-Hua; Tseng, Shiojenn — 2008 Journal of Inequalities and Applications [electronic only]