Jeffreys, Harold,   1891-1989. <br/><br/>
Asymptotic approximations / 
Harold Jeffreys. 
 - Oxford,   Clarendon Press,   1962. 
 - 144 p.;   ill. :   23 cm. 
<br/><br/>Includes bibliography( p.140-142 ) and index 
<br/><br/><label>LCCN: </label>62-006090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asymptotes.<br/>Functions.<br/>Approximation theory.
<br/><br/><label>Dewey Class. No.: </label>516.362