Bognar Janos <br/><br/>
Indefinite inner product spaces 

 -  1974 
 - ix,223p.  cm. 
<br/><br/><label>Standard No.: </label>279,356 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B316, L4