%0 Journal Article %A Kotaro Mine %A Katsuro Sakai %T Open Subsets of LF-spaces %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2008 %P 25-37 %V 56 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba56-1-4/ %R 10.4064/ba56-1-4 %G en %F 10_4064_ba56_1_4