Remarks on characters and pseudocharacters
Miroslav Katětov (1960)
Commentationes Mathematicae Universitatis Carolinae
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Miroslav Katětov (1960)
Commentationes Mathematicae Universitatis Carolinae
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Pavel Čihák (1969)
Commentationes Mathematicae Universitatis Carolinae
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Pavel Čihák (1970)
Commentationes Mathematicae Universitatis Carolinae
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