Metelka, Josef:
Vektorielles Modell der endlichen Booleschen Algebren.
(German) [Vector model of finite Boole algebras].Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica-Physica-Chemica,
vol. 7
(1966),
issue 1,
pp. 33-43