Professor Bedřich Havelka is sixty - five
Vladimír Malíšek (1972)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica-Physica-Chemica
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Vladimír Malíšek (1972)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica-Physica-Chemica
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Jan Trlifaj (1996)
Czechoslovak Mathematical Journal
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(1951)
Czechoslovak Mathematical Journal
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