Functions of several variables 
[by] John W. Woll, Jr.  
 - New York,  Harcourt, Brace & World  [1966]  
 - xi, 169 p  illus  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.
<br/><br/><label>LC Class. No.: </label>QA331  / .W7