REFERENCES
- Brenan , K.E. , Campbell , S.L. and Petzold , L.R. 1996 . Numerical Solution of Initial-Value Problems in Differential Algebraic Equations Philadelphia : SIAM .
- von zur Gathen , J. and Gerhard , J. 1999 . Modern Computer Algebra Cambridge : Cambridge University Press .
- Griffiths , P.A. 1983 . Exterior Differential Systems and the Calculus of Variations Boston : Birkhäuser .
- Pommaret , J.-F. 1994 . Partial Differential Equations and Group Theory Dordrecht, , The Netherlands : Kluwer Academic Publishers .
- Saunders , D.J. 1989 . The Geometry of Jet Bundles , London Mathematical Society Lecture Notes Series 142 Cambridge : Cambridge University Press .
- Olver , P.J. 1993 . Applications of Lie Groups to Differential Equations New York : Springer .
- Choquet-Bruhat , Y. and De Witt-Morette , C. 1982 . Analysis, Manifolds and Physics, Part I: Basics Amsterdam, , The Netherlands : North-Holland .
- Frankel , T. 1997 . The Geometry of Physics Cambridge : Cambridge University Press .
- Schlacher , K. and Kugi , A. 2001 . Control of Nonlinear Descriptor Systems, A Computer Algebra Based Approach , Lecture Notes in Control and Information Sciences, 259, 397–395 New York : Springer .