Gruppenartige Multigruppen
Karel Drbohlav (1957)
Czechoslovak Mathematical Journal
Similarity:
Karel Drbohlav (1957)
Czechoslovak Mathematical Journal
Similarity:
Bolzano, Bernard
Similarity:
Siegfried Hahn (1979)
Commentationes Mathematicae Universitatis Carolinae
Similarity:
Sillke, Torsten (1989)
Séminaire Lotharingien de Combinatoire [electronic only]
Similarity: