Halanay, A. <br/><br/>
Differential equations :  stability, oscillations, time lags / 
A. Halanay. 
 - New York :  Academic Press,  1966. 
 - xii, 525 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics.<br/>Stability.<br/>Oscillations.<br/>Delay Differential equations.