Ronkin L.I <br/><br/>
Introduction TO the  Theory Of Entire Functions of Several Variables  Vol-44 
/ by L.I.Ronkin 
 - America  American Mathematical Society  1974 
 - 272p. 
<br/><br/><label>ISBN: </label>0821815946 
<br/><br/><label>Dewey Class. No.: </label>515.98  / RON/T