Brauer, Fred. <br/><br/>
Quanlitative theory of ordinary differential equations  an introdution 
by Fred Brauer, John A. Nohel 
 - New York  W.A.Benjamin  1969 
 - xi, 314p. 
 - University Mathematics Series .
<br/><br/><label>LCCN: </label>68-25426 
<br/><br/><label>Dewey Class. No.: </label>515.352  / N69