@article {MR2313706,
	title = {On the exponential stability of dynamic equations on time scales},
	journal = {J. Math. Anal. Appl.},
	volume = {331},
	number = {2},
	year = {2007},
	pages = {1159{\textendash}1174},
	issn = {0022-247X},
	doi = {10.1016/j.jmaa.2006.09.033},
	url = {http://db.lic.vnu.edu.vn:2080/10.1016/j.jmaa.2006.09.033},
	author = {Nguyen Huu Du and Tien, Le Huy}
}
