@article{JSFS_1977__118_2_82_0,
     author = {Perquel, Jean-Jacques},
     title = {L'investissement \`a l'heure du plan {Barre}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {82--92},
     year = {1977},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {118},
     number = {2},
     language = {fr},
     url = {https://www.numdam.org/item/JSFS_1977__118_2_82_0/}
}