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A POSITIVITY AND BOUNDEDNESS PRESERVING DIFFERENCE SCHEME AND ITS RICHARDSON EXTRAPOLATION METHOD FOR SOLVING A TWO-DIMENSIONAL FISHER-KPP EQUATION
Deng Dingwen, Zhao Zilin
Mathematica Numerica Sinica ›› 2022, Vol. 44 ›› Issue (4) : 561-584.
A POSITIVITY AND BOUNDEDNESS PRESERVING DIFFERENCE SCHEME AND ITS RICHARDSON EXTRAPOLATION METHOD FOR SOLVING A TWO-DIMENSIONAL FISHER-KPP EQUATION
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