@article{RO_1987__21_2_175_0,
     author = {Benasseni, J.},
     title = {Perturbation des poids des unit\'es statistiques et approximation en analyse en composantes principales},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {175--198},
     publisher = {EDP-Sciences},
     volume = {21},
     number = {2},
     year = {1987},
     mrnumber = {897295},
     zbl = {0626.62057},
     language = {fr},
     url = {http://archive.numdam.org/item/RO_1987__21_2_175_0/}
}