Heading, John. <br/><br/>
Ordinary differential equations :  theory and practice :  an elementary, integrated, applied treatment based on the wave equation / 
by John Heading. 
 - London :  Elek Science ;  1975. 
 - 10, 342 p. :   ill. ;   23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 332. 
<br/><br/><label>ISBN: </label>0236177222 
<br/><br/><label>LCCN: </label>75-327455 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Wave equation