Solitons/  an introduction 
P.G. Drazin, R.S. Johnson. 
 - Cambridge [England] ;:  Cambridge University Press,  1989. 
 - xii, 226 p. : 
<br/><br/><label>ISBN: </label>052133389X 
<br/><br/><label>Dewey Class. No.: </label>515.353  / DRA/S