Daniel,A.Murray <br/><br/>
Introductory course in differential equations 

 - 3rd Ed. 
 - New Delhi  Orient Longman Pvt.Ltd  1989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>621  / DA-I