Martin, William Ted <br/><br/>
Elementary Differential Equations 
/ by William Ted Martin 
 - London:  Addison- Wesley Publishing Company, Inc,  1964. 
 - xiii, 331p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>517.38  / MAR/E