Hydon, Peter E. <br/><br/>
Symmetry methods for differential equations : a beginner's guide 

 - New York  Cambridge University Press  2000 
 - xi, 213p. :  22 cm 
<br/><br/><label>ISBN: </label>9780521497039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Numerical solutions
<br/><br/><label>Dewey Class. No.: </label>530.15535 HYD