Author: Havel, Václav

Havel, Václav: Eigenschaften des Halbverbandes der Zerlegungen in einer Menge. (German) [Properties of the semilattice of decompositions in a set]. Archivum Mathematicum, vol. 1 (1965), issue 4, pp. 213-215
Havel, Václav: Uniongraph der Familie von Zerlegungen in einer Menge. (German) [Union graph of the family of decompositions in a set]. Archivum Mathematicum, vol. 1 (1965), issue 4, pp. 217-220
Havel, Václav: Unessential Zassenhaus refinements. (English). Archivum Mathematicum, vol. 1 (1965), issue 1, pp. 35-38

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