Title of article :
Differential invariants of nonlinear equations vtt=f(x,vx)vxx+g(x,vx)
Author/Authors :
N. H. Ibragimov، نويسنده , , M. Torrisi and A. Valenti، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Keywords :
nonlinear wave equations , Equivalence group , Differential invariants
Journal title :
Communications in Nonlinear Science and Numerical Simulation
Journal title :
Communications in Nonlinear Science and Numerical Simulation