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2007 | ||
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3 | EE | Gunnar Wilken: Ordinal arithmetic based on Skolem hulling. Ann. Pure Appl. Logic 145(2): 130-161 (2007) |
2 | EE | Gunnar Wilken: Sigma1-elementarity and Skolem hull operators. Ann. Pure Appl. Logic 145(2): 162-175 (2007) |
2006 | ||
1 | EE | Gunnar Wilken: The Bachmann-Howard Structure in Terms of Sigma1-Elementarity. Arch. Math. Log. 45(7): 807-829 (2006) |