Banach, Stefan, <br/><br/>
Theory of linear operations 

 - New York:  Dover Publication,  1987. 
 - x, 237 p.:  22 cm. 
<br/><br/> Dover ed 
<br/><br/><label>ISBN: </label>9780486469836 
<br/><br/><label>Dewey Class. No.: </label>515.7246 BAN