<?xml version="1.0"?>
<dblp>
<article key="journals/mlq/KotlarskiP95" mdate="2003-12-11">
<author>Henryk Kotlarski</author>
<author>Bozena Piekart</author>
<title>Automorphisms of Countable Recursively Saturated Models of PA: Open Subgroups and Invariant Cuts.</title>
<pages>138-142</pages>
<year>1995</year>
<volume>41</volume>
<journal>Math. Log. Q.</journal>
<url>db/journals/mlq/mlq41.html#KotlarskiP95</url>
</article>
</dblp>
