@article{RSA_1961__9_2_89_0,
     author = {Lellouch, J. and Schwartz, D.},
     title = {Association de 2 variables en tenant compte de l'influence d'une troisi\`eme (variables qualificatives)},
     journal = {Revue de Statistique Appliqu\'ee},
     pages = {89--102},
     publisher = {Soci\'et\'e de Statistique de France},
     volume = {9},
     number = {2},
     year = {1961},
     language = {fr},
     url = {http://www.numdam.org/item/RSA_1961__9_2_89_0/}
}