... this inequality with the use of Gronwallinequality. Then, v ≤ u inDT, and the proof of part i of the lemma is completed. The similarargument gives the proof of part ii of the lemma.Advances ... comments. The work was supported by the research fund of Department of Education of Sichuan Province 10ZC127 and the research fund of Sichuan College of EducationCJYKT09-024.References1 ... 0,independent of m.Proof. By Hypothesis H, 3.20,and3.27, the proof similar to that of 15, Lemma 4.4 gives3.31,and,by3.20 and 3.28, the proof similar to that of 15, Lemma 4.3...