Liusternik, L. A. <br/><br/>
Elements of function analysis. 

 - New York  Frederick Ungar Publishing Co.        1961 
 - ix, 227 p.  Includes bibliographical references and index 
<br/><br/><label>Source: </label> Reference 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional ananlysis