Coster, Colette De <br/><br/>
Two-Point Boundary Value Problems: lower and upper solutions 
Colette De Coster 
 - Amsterdam  Elsevier  2006 
 - xii, 489p. 
<br/><br/><label>ISBN: </label>9780444522009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional differential equations<br/>Boundary value problems
<br/><br/><label>Dewey Class. No.: </label>515.35 COS