Testerman, Donna2008-12-162008-12-162008-12-16199510.1006/jabr.1995.1285https://infoscience.epfl.ch/handle/20.500.14299/32731semisimple algebraic groupsclosed connected subgroupsfinite groupsfixed point subgroups$A_1$-type overgroups of elements of order $p$ in semisimple algebraic groups and the associated finite groupstext::journal::journal article::research article