Marvan, Michal Sufficient set of integrability conditions of an orthonomic system. (English) Zbl 1180.35381 Found. Comput. Math. 9, No. 6, 651-674 (2009). MSC: 35N10 12H20 52B20 PDFBibTeX XMLCite \textit{M. Marvan}, Found. Comput. Math. 9, No. 6, 651--674 (2009; Zbl 1180.35381) Full Text: DOI Link
Göktaş, Ünal; Hereman, Willy Algorithmic computation of generalized symmetries of nonlinear evolution and lattice equations. (English) Zbl 0936.65123 Adv. Comput. Math. 11, No. 1, 55-80 (1999). MSC: 65M99 35K55 35R10 35Q53 35Q55 35Q58 68W30 PDFBibTeX XMLCite \textit{Ü. Göktaş} and \textit{W. Hereman}, Adv. Comput. Math. 11, No. 1, 55--80 (1999; Zbl 0936.65123) Full Text: DOI arXiv