%0 Journal Article %A Scaduto, Christopher %A Stoffregen, Matthew %T Klein-four connections and the Casson invariant for nontrivial admissible U(2) bundles %J Algebraic and Geometric Topology %D 2017 %P 2841-2861 %V 17 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.2841/ %R 10.2140/agt.2017.17.2841 %F 10_2140_agt_2017_17_2841