Kubrusly CS <br/><br/>
Elements of operator theory 

<br/><br/><label>ISBN: </label>SL01176948 
<br/><br/><label>Standard No.: </label>194709 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B48, P1