Martin, Robert H. <br/><br/>
Elementary differential equations with boundary value problems / 
Robert H. Martin 
 - New York :  McGraw-Hill,  1984 
 - 606 p. ;  25 cm. 
<br/><br/>Bibliography : p. 549 
<br/><br/><label>LCCN: </label>83-19904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Boundary value problems