Wenzel, ChristianChristianWenzelCHRISTIAN HELMUT WENZEL2018-09-102018-09-101990https://search.proquest.com/docview/303851521?accountid=14229http://scholars.lib.ntu.edu.tw/handle/123456789/290627https://www.ideals.illinois.edu/handle/2142/22442Classification of all parabolic subgroup schemes of a semisimple linear algebraic group over an algebraically closed field of positive characteristicdissertation