Seventy years of Professor Vlastimil Pták (Biography and interview)
Zdeněk Vavřín (1996)
Czechoslovak Mathematical Journal
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Zdeněk Vavřín (1996)
Czechoslovak Mathematical Journal
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Jan Chrastina (1994)
Czechoslovak Mathematical Journal
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Jiří Jarušek (1996)
Czechoslovak Mathematical Journal
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