Tables of the exponential integral for complex argumentents / 

 - Washington,  GPO,  1958. 
 - 634 p.:  27 cm. 
 - Its Applied mathematics series,  51 .
 -  51. Applied mathematics series (Washington, D.C.) ; .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exponential functions.
<br/><br/><label>Dewey Class. No.: </label>510.22  / TAB 1958