@article{10_4064_aa_71_3_273_278,
     author = {Janusz Szmidt and Jerzy Urbanowicz and Don Zagier},
     title = {Congruences among generalized {Bernoulli} numbers},
     journal = {Acta Arithmetica},
     pages = {273--278},
     publisher = {mathdoc},
     volume = {71},
     number = {3},
     year = {1995},
     doi = {10.4064/aa-71-3-273-278},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-71-3-273-278/}
}