\bib{1979/dekoninck} \yr 1979 \mr 81k:10065 \by Jean-Marie De Koninck \by Douglas Hensley \paper Sums taken over $n\le x$ with prime factors $\le y$ of $z^{\Omega(n)}$, and their derivatives with respect to $z$ \jour Journal of the Indian Mathematical Society \issn 0019--5839 \vol 42 \pages 353--365 \endref