%0 Journal Article %A Janusz Szmidt %A Jerzy Urbanowicz %A Don Zagier %T Congruences among generalized Bernoulli numbers %J Acta Arithmetica %D 1995 %P 273-278 %V 71 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-71-3-273-278/ %R 10.4064/aa-71-3-273-278 %G en %F 10_4064_aa_71_3_273_278