TY  - BOOK
AU  - Dekoninck J M
AU  -  Ivic A
TI  - Topics in srithmetical functions : A symptotic formulae for sumes of reciprocals of arithmetical functions and related results
T2  - Notas de matematica; 72. Notrh-Holland mathematics studies; 43
U1  - B1, M0 
PY  - 1980///
CY  - Amsterdam
PB  - North-Holland         
ER  -