Hille, Einar, 1894- <br/><br/>
Lectures on ordinary differential equations 
Einar Hille 
 - Reading, Mass.  Addison-Wesley  1969 
 - xi, 723 p. : ill. ; 24 cm. 
<br/><br/><label>LCCN: </label>69-014427 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations