Lewis, J. Parry (John Parry), 1927- <br/><br/>
An introduction to mathematics for students of economics 
by J. Parry Lewis 
 - 2nd ed. 
 - London  MacMillan  1969 
 - xiii, 590 p. : ill. ; 23 cm. 
<br/><br/>Bibliography: p. 561-562. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics