Mickens R.E. Nonstandard finite-difference models of differential equations, Word Scientific, Singapore, 1994

has been cited by the following article:

• TITLE: The Best Finite-Difference Scheme for the Helmholtz Equation

  AUTHORS: T. Zhanlav, V. Ulziibayar

  KEYWORDS: The Best Finite-Difference Scheme for the Helmholtz and Laplace’s Equations

  JOURNAL NAME: American Journal of Computational Mathematics, Vol.2 No.3, September 28, 2012

  ABSTRACT: The best finite-difference scheme for the Helmholtz equation is suggested. A method of solving obtained finite-difference scheme is developed. The efficiency and accuracy of method were tested on several examples.