Halanay, A. <br/><br/>
Differential equations  stability, oscillations, time lags 
A. Halanay 
 - New York  Academic Press  1966 
 - xii, 528p. 
 - Mathematics in Science and Engineering; vol. 23 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>NASA Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / HAL