@article {MR2109820,
	title = {On an extension of {L}yapunov criterion of stability for quasi-linear systems via integral inequalities methods},
	journal = {Teor. \u Imov\={\i} r. Mat. Stat.},
	number = {70},
	year = {2004},
	pages = {26{\textendash}35},
	issn = {0868-6904},
	author = {Nguyen Huu Du}
}
