Matveev,V.A. <br/><br/>
Darboux transformations and solitons   
by V.A.Matveev, M.A.Salle 
 - Berlin  Springer-Verlag  1991 
 - viii, 120p. 
 - Springer series in nonlinear dynamics .
<br/><br/><label>ISBN: </label>3540506608 
<br/><br/><label>Dewey Class. No.: </label>530.1  / N911