On relations approximated by continuous functions
Ľubica Holá (1987)
Acta Universitatis Carolinae. Mathematica et Physica
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Ľubica Holá (1987)
Acta Universitatis Carolinae. Mathematica et Physica
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Ivan Kupka (1993)
Mathematica Slovaca
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Ľubica Holá (1988)
Mathematica Slovaca
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