Boyce, William E <br/><br/>
Elementary differential equations and boundary value problems 

 - 3 
 - New York  John Wiley  1977 
 - xiv, 582p.  
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0471093343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems<br/>Differential equations<br/>Linear equations<br/>Mathematics<br/>Partial differential equations