On φ 1,2-countable compactness and filters T.H. Yalvaç | Show more T.H. Yalvaç Turkey Hacettepe University Department of Mathematics Submitted: 2013-12-11 | Accepted: 2013-12-11 | Published: 2003-04-01 DOI: https://doi.org/10.4995/agt.2003.2008