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Bulletin of the Section of Logic > 2021 > 50 > 4 > 455-463
Bulletin of the Section of Logic > 2020 > 49 > 3 > 255-268
Open Mathematics > 2011 > 9 > 6 > 1354-1379
Banach Center Publications > 1993 > 28 > 1 > 51-66
Bulletin of the Section of Logic > 2021 > 50 > 4 > 455-463
Bulletin of the Section of Logic > 2020 > 49 > 3 > 255-268
Open Mathematics > 2011 > 9 > 6 > 1354-1379
Banach Center Publications > 1993 > 28 > 1 > 51-66