Hansen, Vagn Lundsgaard <br/><br/>
Functional analysis:   entering hilbert space /  
Vagn Lundsgaard Hansen 
 - Second edition 
 - Singapore:  World Scientific,   2020 
 - xvi, 176p. :  ill.;   21 cm.  
<br/><br/>Include bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780000988690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional analysis
<br/><br/><label>Dewey Class. No.: </label>515.7 H1986 Fu