Anderson, Robert L. and Ibragimov, Nail H. <br/><br/>
Lie-Backlund Transformations in Applications (e-book) 

 -  Siam  1979 
 - Studies in Applied Mathematics .
<br/><br/> http://portal.igpublish.com/iglibrary/search/SIAMB0000246.main.html?1 
<br/><br/><label>ISBN: </label>9780898711516 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations, Backlund transformations, Transformation groups.