Hansen, Vagh Lundsgaard <br/><br/>
Functional analysis  : entering hilbert space / 

 - New Jersey:  World Scientific,  2023 
 - xvi, 176p. Bibl. Index. 
<br/><br/><label>ISBN: </label>9780000988690 
<br/><br/><label>Dewey Class. No.: </label>515.7  / H249.FA