\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Properties of Ramanujan sums and Kloosterman sums}{}% 2
\BOOKMARK [1][-]{section.3}{Some results}{}% 3
\BOOKMARK [2][-]{subsection.3.1}{The case of Ramanujan sums}{section.3}% 4
\BOOKMARK [2][-]{subsection.3.2}{The case of Kloosterman sums}{section.3}% 5
\BOOKMARK [1][-]{section.4}{Acknowledgments}{}% 6