Stephani Hans <br/><br/>
Differential equations: Their solution using symmetries 
Stephani Hans; Maccallum Malcolm 
 - Cambridge  CUP           1989 
 - 260p.  cm. 
<br/><br/><label>Standard No.: </label>22381 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Symmetry
<br/><br/><label>Dewey Class. No.: </label>B33, M9