Çok sağol Kıvanç hocam. makaleyi aldım. selamlar -- A. M. Uludag http://math.gsu.edu.tr/uludag/ twittter: @metamathician -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://yunus.listweb.bilkent.edu.tr/pipermail/turkmath/attachments/20210610/b0ee0164/attachment.html>