\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Continued fractions}{}% 2
\BOOKMARK [1][-]{section.3}{Pk-continued fractions}{}% 3
\BOOKMARK [1][-]{section.4}{Perfect Pk-continued fractions}{}% 4
\BOOKMARK [1][-]{section.5}{Hyperquadratic elements having a low algebraic degree}{}% 5
\BOOKMARK [1][-]{section.6}{Acknowledgments}{}% 6