AUTHOR : Mason D. P. |
D.P.Mason,
E.Momoniat (Centre for Differential Equations, Continuum Mechanics and
Applications, School of Computational and Applied Mathematics, University of
the Witwatersrand, Wits, South Africa )
2. Optimal
System and Group Invariant Solutions for a Nonlinear Wave Equation
G.Maluleke,
D.P.Mason (School of Computational and Applied Mathematics, University of the
Witwatersrand, Johannesburg, South Africa )