@article{IM2_1993_41_2_a11,
     author = {V. I. Arnol'd},
     title = {Congruences for {Euler,} {Bernoulli,} and {Springer} numbers of {Coxeter} groups},
     journal = {Izvestiya. Mathematics},
     pages = {389--393},
     year = {1993},
     volume = {41},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1993_41_2_a11/}
}