Pyh. Pang et Rp. Agarwal, ON AN INTEGRAL INEQUALITY AND ITS DISCRETE ANALOG, Journal of mathematical analysis and applications, 194(2), 1995, pp. 569-577
In this note, we given the continuous as well as discrete versions of
a Gronwall type inequality. This inequality originated in the works of
Ou-Iang and Dafermos and was recently studied by Pachpatte. (C) 1995
Academic Press, Inc.