@article{RO_1979__13_3_227_0,
     author = {Lerman, I. C.},
     title = {Les pr\'esentations factorielles de la classification. {II}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {227--251},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {3},
     year = {1979},
     mrnumber = {544454},
     zbl = {0408.62051},
     language = {fr},
     url = {http://archive.numdam.org/item/RO_1979__13_3_227_0/}
}