Internatioal conference on differential equations, Barcelona, Spain, 26-31 August,1993 <br/><br/>
EQUADIFF'91 - Proceedings   
ed. by C.Perell'o, C.Sim'o and J.Sola-Morales 
 - Singapore  World Scientific  1993 
 - xix, 992p. 
<br/><br/><label>ISBN: </label>981021023x 
<br/><br/><label>Dewey Class. No.: </label>515.35  / N933.1 & 2