R. Bachmann, L. Brüll, Th. Mrziglod, and U. Pallaske,A contribution to the numerical treatment of differential algebraic equations arising in chemical engineering. Dechema-Monographs, Vol. 116 (1989).
L. Brüll and U. Pallaske,On Consistent Initialization of Differential-Algebraic Equations with Discontinuities. Proc. Fourth Conf. on Math. in Ind. (1991) (Hj. Wacker and W. Zulehner eds.).
C. W. Gear,Differential algebraic equations, indices, and integral algebraic equations. Report No. UIUCDCS-R-89-1505, Uni. Illinois (1989).
C. W. Gear and L. Petzold,ODE methods for the solution of differential/algebraic systems. SIAM J. Numer. Anal.21 (1984).