The differential equations problem solver / 
staff of Research and Education Association ; M. Fogiel, director. 
 - New York :  The Association,  c1978. 
 - xiii, 1390 p.   26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>878915133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>517.38  / fod