Mickens, Ronald E. <br/><br/>
Nonstandard finite difference models of differential equations / 
Ronald E. Mickens. 
 - [S.l.] :  World Scientific Pub Co Inc,  1994. 
 - 249 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>9810214588 9789810214586 
<br/><br/><label>Dewey Class. No.: </label>515.624