@article{PMIHES_2000__92__63_0,
     author = {Du Sautoy, Marcus},
     title = {Counting $p$-groups and nilpotent groups},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {63--112},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {92},
     year = {2000},
     mrnumber = {1839487},
     zbl = {01656529},
     language = {en},
     url = {http://www.numdam.org/item/PMIHES_2000__92__63_0/}
}