NEEDS'91, Baina Verde, Gallipoli, Italy, 19-29 June, 1991 <br/><br/>
Nonlinear evolution equations and dynamical systems - Proceedings   
ed. by M.Boiti, L.Martina and F.Pempinelli 
 - Singapore  World Scientific  1992 
 - xi, 459p. 
<br/><br/><label>ISBN: </label>9810208561 
<br/><br/><label>Dewey Class. No.: </label>515.352  / N921