@article{ITA_1976__10_1_39_0,
     author = {Gondran, M.},
     title = {Valeurs propres et vecteurs propres en classification hi\'erarchique},
     journal = {Revue fran\c{c}aise d'automatique informatique recherche op\'erationnelle. Informatique th\'eorique},
     pages = {39--46},
     publisher = {Dunod-Gauthier-Villars},
     address = {Paris},
     volume = {10},
     number = {R1},
     year = {1976},
     mrnumber = {411059},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1976__10_1_39_0/}
}