@article{RO_1977__11_1_51_0,
     author = {Lemaire, B. and Mauffrey, G.},
     title = {Donn\'ees de panel : matrices de transition avec non-achats et achats multiples},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {51--75},
     publisher = {EDP-Sciences},
     volume = {11},
     number = {1},
     year = {1977},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1977__11_1_51_0/}
}