%0 Journal Article %A Nazardonyavi, Sadegh %A Yakubovich, Semyon %T Extremely abundant numbers and the Riemann hypothesis %J Journal of integer sequences %D 2014 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JIS_2014__17_2_a1/ %G en %F JIS_2014__17_2_a1