Levi, D.; Tremblay, S.; Winternitz, P. Lie symmetries of multidimensional difference equations. (English) Zbl 0998.39008 J. Phys. A, Math. Gen. 34, No. 44, 9507-9524 (2001). MSC: 39A12 39A10 22E30 65M06 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Levi, D.; Tremblay, S.; Winternitz, P. Lie point symmetries of difference equations and lattices. (English) Zbl 0966.39007 J. Phys. A, Math. Gen. 33, No. 47, 8507-8523 (2000). Reviewer: Ondřej Došlý (Brno) MSC: 39A12 34C20 22E30 × Cite Format Result Cite Review PDF Full Text: DOI arXiv