Křížek, Michal; Somer, Lawrence: Why quintic polynomial equations are not solvable in radicals.
(English).
In:
Brandts, J., Korotov, S., Křížek, M., Segeth, K., Šístek, J.
and Vejchodský, T. (eds.): Application of Mathematics 2015, In honor of the birthday anniversaries of Ivo Babuška (90), Milan Práger (85), and Emil Vitásek (85).
Proceedings. Prague, November 18-21, 2015.
Institute of Mathematics CAS, Prague, 2015.
pp. 125-131
