Stephani, Hens (Editor) <br/><br/>
DIfferential equations: Their solution using symmetries 

 - Cambridge  Cambridge University press  1989 
 - xii,260p.. 
<br/><br/><label>ISBN: </label> UKP 37.50 
<br/><br/><label>Source: </label> UKP 37.50 
<br/><br/><label>Dewey Class. No.: </label>515.35 STE