@article{RSA_1987__35_3_87_1,
     author = {De Leeuw, J.},
     title = {Discussion},
     journal = {Revue de Statistique Appliqu\'ee},
     pages = {87--89},
     publisher = {Soci\'et\'e de Statistique de France},
     volume = {35},
     number = {3},
     year = {1987},
     language = {en},
     url = {http://archive.numdam.org/item/RSA_1987__35_3_87_1/}
}