Perko Lawrence <br/><br/>
Differential equations and dynamical systems. 
Perko Lawrence 
 - 3 
<br/><br/><label>Standard No.: </label>16296 
<br/><br/><label>Source: </label> 2001,  Textual 
<br/><br/><label>Dewey Class. No.: </label>B33, P1