Hajek, Otomar <br/><br/>
Dynamical System in The Plane 
/ by  Otomar Hajek 
 - New Delhi:  Academic Press;  1968. 
 - 235p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>516.22  / HAJ/D