Seshadri, R. <br/><br/>
Group invariance in engineering boundary value problems 

 - New York  Springer-Verlag  1985 
 - 224p., 25 fig., 22 cm. 
<br/><br/><label>ISBN: </label>0387961283 
<br/><br/><label>Dewey Class. No.: </label>515.35,  / DD, Ses