Elise Grabner(Slippery Rock University, Gary Grabner(Slippery Rock University, Kazumi Miyazaki, Jamal Tartir(Youngstown, State University
the International Journal of Pure and Applied Mathematics, 49(2) 251-278, 2008 Peer-reviewed
relative propertyにおけるsemi-metricとrelative first countable 研究と結果