Lawden, Derek F. <br/><br/>
Mathematics of engineering systems (linear and non-linear) / 
Derek F. Lawden. 
 - London :  Methuen,  1954. 
 - viii, 380 p. :  ill. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>515.35  / LAM 1954