%0 Journal Article %A Humio Ichimura %T Nonvanishing of a certain Bernoulli number and a related topic %J Acta Arithmetica %D 2013 %P 375-386 %V 159 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa159-4-6/ %R 10.4064/aa159-4-6 %G en %F 10_4064_aa159_4_6