@article{PMB_1991____A4_0,
     author = {Urbanowicz, Jerzy},
     title = {On some new congruences between generalized {Bernoulli} numbers {I-II}},
     journal = {Publications math\'ematiques de Besan\c{c}on. Alg\`ebre et th\'eorie des nombres},
     eid = {4},
     pages = {1--53},
     publisher = {Universit\'e de Besan\c{c}on},
     year = {1991},
     doi = {10.5802/pmb.a-65},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5802/pmb.a-65/}
}