Halanay, Aristide. <br/><br/>
Differential equations :  stability, oscillations, time lags / 
A. Halanay. 
 - New York :  Academic Press,  1966. 
 - xii, 528 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label> / 515.35