Duaa Taheir Bader  <br/><br/>
Existance of solution of some operators and their approximation using lidskii theorem  / 

 - VII , 57 Leaves    CD . 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic 
<br/><br/><label>Dewey Class. No.: </label>513    / D812  2021