WASET
    Zixin Liu and  Shu Lü and  Shouming Zhong and  Mao Ye,  Advanced Gronwall-Bellman-Type Integral Inequalities and Their Applications.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 1067 - 1072
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/3256.