Perko, Lawrence <br/><br/>
Differential equations and dynamical systems 

 - 3rd ed. 
 - New York :  Springer,  2001. 
 - xiv, 555 p. 
<br/><br/><label>ISBN: </label>9788181281838 
<br/><br/><label>Dewey Class. No.: </label>515.352  / P01; 2(MATH)