Boas, Ralph Philip. <br/><br/>
Primer of real functions.- 4th ed. 
Ralph Philip Boas and Harold P Boas 
 - 4th ed. 
 - [n.p.]  Mathematical Association of America, distributed by Wiley [New York,  1996 
 - xiv, 305p  illus. 
 - The Carus mathematical monographs, no. 13 .
<br/><br/><label>Subjects--Index Terms: </label>Real functions. 
<br/><br/><label>Universal Decimal Class. No.: </label>517.51  / BOA