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2. Partial Differential Equations;Wazwaz,2002
3. Classification and bifurcation of a class of second-order ODEs and its application to nonlinear PDEs;Zhang;Discrete Cont Dyn-S,2018
4. Simplest equation method to look for exact solutions of nonlinear differential equations;Kudryashov;Chaos Solitons Fractals,2005
5. Extended simplest equation method for nonlinear differential equations;Kudryashov;Appl Math Comput,2008