Recent trends in differential equations   
ed. by R.P.Agarwal 
 - Singapore  World Scientific  1992 
 - xvi, 583p. 
 - World Scientific series in Applicable Analysis  V.1 .
<br/><br/><label>ISBN: </label>9810209630 
<br/><br/><label>Dewey Class. No.: </label>515.35  / N924