Boyce, William E. <br/><br/>
Introduction to differential equations 

 - London:  John Wiley and Sons, Inc,  1970. 
 - xiii,280p.  : ill.  ; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffrential equations
<br/><br/><label>LC Class. No.: </label>QA372.B74