Title |
Symmetries and related topics in differential and difference equations : Jairo Charris Seminar 2009, Symmetries of Differential and Difference Equations, Escuela de Matemáticas, Universidad Sergio Arboleda, Bogotá, Colombia / David Blázquez-Sanz, Juan J. Morales-Ruiz, Jesús Rodríguez Lombardero, editors |
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