A note on separation in AP R. Lowen | M. Sioen | Show more R. Lowen Belgium University of Antwerp Department of Mathematics and Computer Science M. Sioen Belgium Free University of Brussels Department of Mathematics Submitted: 2013-12-17 | Accepted: 2013-12-17 | Published: 2003-10-01 DOI: https://doi.org/10.4995/agt.2003.2046