@Article{BertrandDiday1990,
AUTHOR = {Bertrand, Patrice and Diday, Edwin},
TITLE = {Une g{\~A}n{\~A}ralisation des arbres hi{\~A}rarchiques~: les repr{\~A}sentations pyramidales},
YEAR = {1990},
JOURNAL = {Revue de Statistique Appliqu{\~A}e},
VOLUME = {38},
NUMBER = {3},
PAGES = {53-78},
NOTE = {
http://www.numdam.org/item?id=RSA_1990__38_3_53_0},
ANNOTE = {CITE : }
}