Mickens, R. E. (1994). Nonstandard finite difference models of differential equations. World Scientific.
Παραπομπή Chicago StyleMickens, Ronald E. Nonstandard Finite Difference Models of Differential Equations. Singapore ; River Edge, N.J.: World Scientific, 1994.
Παραπομπή MLAMickens, Ronald E. Nonstandard Finite Difference Models of Differential Equations. World Scientific, 1994.
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