(2+2)维非线性微分-差分mToda方程的内禀对称,相似约化和精确解
(2+2)유비선성미분-차분mToda방정적내품대칭,상사약화화정학해
Intrinsical symmetries, similarity reductions and exact solutions of the (2+2) - dimensional nonlinear differential-difference mToda equation
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