News and Notices
(1966)
Czechoslovak Mathematical Journal
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(1966)
Czechoslovak Mathematical Journal
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(1963)
Czechoslovak Mathematical Journal
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Aviezri Fraenkel (1935)
Fundamenta Mathematicae
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Dietz, Roland, Geise, Gerhard, Jüttler, Bert (1995)
Mathematica Pannonica
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Deák, E.
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Kozel, K., Polášek, J., Vavřincová, M.
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