1\newcommand{\etalchar}[1]{$^{#1}$}
2\begin{thebibliography}{DFdG15}
3
4\bibitem[BJS{\etalchar{+}}]{our}
5M.~Boche{\a'n}ski, P.~Jastrz{\k e}bski, A.~Szczepkowska, A.~Tralle, and
6  A.~Woike.
7\newblock Semisimple subalgebras in simple lie algebras and a computational
8  approach to the compact clifford-klein forms problem.
9\newblock \href {https://doi.org/10.1080/10586458.2018.1492475}
10  {\texttt{https://doi.org/}\discretionary
11  {}{}{}\texttt{10.1080/}\discretionary {}{}{}\texttt{10586458.2018.1492475}}.
12
13\bibitem[DFdG14]{CoReLG}
14H.~Dietrich, P.~Faccin, and W.~A. de~Graaf.
15\newblock Corelg, computation with real lie groups, version 1.20.
16\newblock \href {http://users.monash.edu/~heikod/corelg/}
17  {\texttt{http://users.monash.edu/}\discretionary
18  {}{}{}\texttt{\texttt{\symbol{126}}heikod/}\discretionary
19  {}{}{}\texttt{corelg/}}, Dec 2014.
20\newblock Refereed GAP package.
21
22\bibitem[DFdG15]{DFG}
23H.~Dietrich, P.~Faccin, and W.~A. de~Graaf.
24\newblock Regular subalgebras and nilpotent orbits of real graded lie algebras.
25\newblock {\em Journal of Algebra}, (423):1044{\textendash}1079, 2015.
26
27\bibitem[dG]{SLA}
28W.~A. de~Graaf.
29\newblock Sla, computing with simple lie algebras, version 1.5.2.
30\newblock \href {https://gap-packages.github.io/sla/}
31  {\texttt{https://gap-packages.github.io/}\discretionary {}{}{}\texttt{sla/}}.
32\newblock Refereed GAP package.
33
34\bibitem[OV90]{onvin}
35A.~Onishchik and E.~Vinberg.
36\newblock {\em Lie Groups and Algebraic Groups}.
37\newblock Springer Series in Soviet Mathematics. Springer-Verlag Berlin
38  Heidelberg, first edition, 1990.
39\newblock Original Russian edition published by Nauka, Moscow 1988.
40
41\end{thebibliography}
42