Agnew, Ralph Palmer <br/><br/>
Differential Equations / 
Ralph Palmer Agnew. 
 - 2nd ed. 
 - New York ;  Toronto :  McGraw-Hill Book Company, Inc.,  1960. 
 - 494 p. 
 - 515.35 .
<br/><br/>Index: p. 469-485 
<br/><br/><label>Dewey Class. No.: </label>515.35