@article {MR2482013,
	title = {Lyapunov, {B}ohl and {S}acker-{S}ell spectral intervals for differential-algebraic equations},
	journal = {J. Dynam. Differential Equations},
	volume = {21},
	number = {1},
	year = {2009},
	pages = {153{\textendash}194},
	issn = {1040-7294},
	doi = {10.1007/s10884-009-9128-7},
	url = {http://db.lic.vnu.edu.vn:2080/10.1007/s10884-009-9128-7},
	author = {Linh, Vu Hoang and Mehrmann, Volker}
}
