Jürgen Eichenauer-Herrmann Harald Niederreiter Inversive congruential pseudorandom numbers: distribution of triples. 1629-1644 1997 66 Math. Comput. 220 db/journals/moc/moc66.html#Eichenauer-HerrmannN97 http://dx.doi.org/10.1090/S0025-5718-97-00867-3