Liao, Shijun. <br/><br/>
Beyond perturbation :  introduction to the homotopy analysis method / 
Shijun Liao. 
 - Boca Raton :  Chapman & Hall/CRC,  c2004. 
 - xii, 322 p. ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>158488407X (acidfree paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Homotopy theory.<br/>Mathematical analysis.
<br/><br/><label>Dewey Class. No.: </label>514  / LIA