Media type: E-Article Title: Symmetry classification of quasi-linear PDE’s containing arbitrary functions Contributor: Cicogna, Giampaolo imprint: Springer Science and Business Media LLC, 2007 Published in: Nonlinear Dynamics Language: English DOI: 10.1007/s11071-007-9212-7 ISSN: 0924-090X; 1573-269X Origination: Footnote: