%0 Journal Article %A Arkady G. Leiderman %A Vladimir G. Pestov %A Artur H. Tomita %T On topological groups admitting a base at the identity indexed by $\omega ^{\omega }$ %J Fundamenta Mathematicae %D 2017 %P 79-100 %V 238 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm188-9-2016/ %R 10.4064/fm188-9-2016 %G en %F 10_4064_fm188_9_2016