Champagne, B.; Hereman, W.; Winternitz, P. The computer calculation of Lie point symmetries of large systems of differential equations. (English) Zbl 0875.65079 Comput. Phys. Commun. 66, No. 2-3, 319-340 (1991). MSC: 65L99 34-04 68W30 34A25 PDFBibTeX XMLCite \textit{B. Champagne} et al., Comput. Phys. Commun. 66, No. 2--3, 319--340 (1991; Zbl 0875.65079) Full Text: DOI
Champagne, B.; Winternitz, P. On the infinite-dimensional symmetry group of the Davey-Stewartson equations. (English) Zbl 0643.35097 J. Math. Phys. 29, No. 1, 1-8 (1988). Reviewer: G.F.Post MSC: 35Q99 57S99 17B67 PDFBibTeX XMLCite \textit{B. Champagne} and \textit{P. Winternitz}, J. Math. Phys. 29, No. 1, 1--8 (1988; Zbl 0643.35097) Full Text: DOI