Universal elements for some classes of spaces D. N. Georgiou | Stavros Iliadis | A. C. Megaritis | Show more D. N. Georgiou Greece University of Patras Department of Mathematics Stavros Iliadis Greece University of Patras Department of Mathematics A. C. Megaritis Greece University of Patras Department of Mathematics Submitted: 2013-07-31 | Accepted: 2013-07-31 | DOI: https://doi.org/10.4995/agt.2011.1652