@article{Tis-Tis94,
  author = {C. Tischendorf},
  title = {On stability of solutions of autonomous index-1 tractable and quasilinear
	index-2 tractable {DAE}'s},
  journal = {Circ. Syst. Signal Process.},
  year = {1994},
  volume = {13},
  pages = {139--154},
  number = {2-3},
  doi = {10.1007/BF01188102},
  publisher = {Birkh{\"a}user-Verlag}
}