Mickens, R.E <br/><br/>
Nonstandard finite difference models of differential equations 
R.E. Mickens 
 - Singapore  World Scientific  1994 
 - xi  249 
<br/><br/><label>ISBN: </label>9810214588 
<br/><br/><label>Dewey Class. No.: </label>11.02+11.06+11.07  / MICK