Hydon, Peter E <br/><br/>
Symmetry methods for differential equations : a beginner's guide 
Peter E. Hydon 
 - Cambridge  Cambridge University Press  2000 
 - xi, 213 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 209-210) and index 
<br/><br/><label>ISBN: </label>9780521497862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations - Numerical solutions<br/>Mathematical physics<br/>Symmetry
<br/><br/><label>Dewey Class. No.: </label>530.15535 HYO