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Formalized Mathematics > 2016 > 24 > 4 > 281-290
Formalized Mathematics > 2015 > 23 > 4 > 379-386
Commentationes Mathematicae > 2008 > 48 > 2
Formalized Mathematics > 2016 > 24 > 4 > 281-290
Formalized Mathematics > 2015 > 23 > 4 > 379-386
Commentationes Mathematicae > 2008 > 48 > 2