On o -ideals of groups of divisibility Jiří Močkoř (1981) Czechoslovak Mathematical Journal Similarity:
Lattice-ordered groups with minimal prime subgroups satisfying a certain condition Jiří Rachůnek (1973) Archivum Mathematicum Similarity:
A note on topological representations of distributive lattices Ladislav Rieger (1949) Časopis pro pěstování matematiky a fysiky Similarity: