Konopelchenko, B.G. <br/><br/>
Nonlinear integrable equations: recursion operators,group-theoretical and hamiltonian structures of soliton equations 

 - New York  Springer-Verlag  1987 
 - viii, 361p., 22 cm. 
 - Lecture notes in Physics .
<br/><br/><label>ISBN: </label>3540175679 
<br/><br/><label>Dewey Class. No.: </label>515.252,  / KON