According to our database1, Bozena Piekart authored at least 6 papers between 1993 and 2007.
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More on lower bounds for partitioning alpha-large sets.
Ann. Pure Appl. Logic, 2007
Some variations of the Hardy hierarchy.
Math. Log. Q., 2005
Automorphisms of Models of True Arithmetic: More on Subgroups which Extend to a Maximal One Uniquely.
Math. Log. Q., 2000
Automorphisms of Countable Recursively Saturated Models of PA: Open Subgroups and Invariant Cuts.
Math. Log. Q., 1995
Automorphisms of Models of True Arithmetic: Subgroups which Extend to a Maximal Subgroup Uniquely.
Math. Log. Q., 1994
On Closed Elementary Cuts in Recursively Saturated Models of Peano Arithmetic.
Notre Dame Journal of Formal Logic, 1993