De Koninck, J.-M. <br/><br/>
Topics in arithmetical functions :  asymptotic formulae for sums of reciprocals of arithmetical functions and related results / 
J.-M. De Koninck and A. Ivi c. 
 - Amsterdam :  North-Holland Publishing,  1980. 
 - xvii,262 pages ;  24 cm. 
 - North Holland mathematics studies  43 Notas de matematica  72  0550-0826 .
<br/><br/>Bibliography: page 251-258. - Includes index 
<br/><br/><label>ISBN: </label>0444860495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numbers, Theory of.