@article{RSA_1954__2_1_83_0,
     author = {Mainguy, Y. and Mothes, J.},
     title = {Du caract\`ere technique de la productivit\'e et des illusions \'economiques qu'elle a suscit\'ees},
     journal = {Revue de Statistique Appliqu\'ee},
     pages = {83--88},
     publisher = {Soci\'et\'e de Statistique de France},
     volume = {2},
     number = {1},
     year = {1954},
     language = {fr},
     url = {http://www.numdam.org/item/RSA_1954__2_1_83_0/}
}