海量图书期刊资源，随时随地畅享阅读乐趣
The lattice Schwarzian KdV equation and its symmetriesD. Levi; M. Petrera; C. Scimiterna · 2007
Multiscale expansion on the lattice and integrability of partial difference equationsR. H. Heredero; D. Levi; M. Petrera; C. Scimiterna · 2008