\begin{thebibliography}{1}

\bibitem{Frison2013}
G.~Frison and J.~B. J{\o}rgensen.
\newblock Efficient implementation of the {R}iccati recursion for solving
  linear-quadratic control problems.
\newblock In {\em 2013 IEEE International Conference on Control Applications
  (CCA)}, pages 1117--1122, Aug 2013.

\end{thebibliography}
