On br -closed sets Maximilian Ganster | Markus Steiner | Show more Maximilian Ganster Austria Graz University of Technology Department of Mathematics Markus Steiner Austria Graz University of Technology Department of Mathematics Submitted: 2013-11-15 | Accepted: 2013-11-15 | DOI: https://doi.org/10.4995/agt.2007.1889