%0 Journal Article %A Shimomura, Katsumi %T The beta elements βtp2∕r in the homotopy of spheres %J Algebraic and Geometric Topology %D 2010 %P 2079-2090 %V 10 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.2079/ %R 10.2140/agt.2010.10.2079 %F 10_2140_agt_2010_10_2079