@article{01017001, title = {Lyapunov type integral inequalities for certain differential equations.}, journal = {Georgian Mathematical Journal}, volume = {4}, year = {1997}, pages = {138-148}, doi = {10.1023/A:1022930116838}, zbl = {0879.34013}, language = {en}, url = {http://dml.mathdoc.fr/item/01017001} }
Pachpatte, B.G. Lyapunov type integral inequalities for certain differential equations.. Georgian Mathematical Journal, Tome 4 (1997) pp. 138-148. doi : 10.1023/A:1022930116838. http://gdmltest.u-ga.fr/item/01017001/