Griffiths, H. B. (Hubert Brians) <br/><br/>
Mathematics of models  continuous and discrete dynamical systems 
H. Brian Griffiths, Adrian Oldknow 
 - New York  Ellis Horwood  1993 
 - 435 p. : ill. ;  24 cm. 
 - Mathematics and its applications .
<br/><br/>p. 422-425 
<br/><br/><label>ISBN: </label>0135638003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical models<br/>Differentiable dynamical systems