@article{RSA_1972__20_3_23_0,
     author = {Benz\'ecri, J. P.},
     title = {Description math\'ematique des classifications},
     journal = {Revue de Statistique Appliqu\'ee},
     pages = {23--56},
     publisher = {Soci\'et\'e de Statistique de France},
     volume = {20},
     number = {3},
     year = {1972},
     language = {fr},
     url = {http://www.numdam.org/item/RSA_1972__20_3_23_0/}
}