@article{RSMUP_1985__73__209_0,
     author = {Vera Lopez, Antonio},
     title = {The number of conjugacy classes in a finite nilpotent group},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {209--216},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {73},
     year = {1985},
     mrnumber = {799908},
     zbl = {0587.20012},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1985__73__209_0/}
}