@article{RSA_1974__22_2_69_0,
     author = {Abdel-Badie, Farib E. and Abdel-Fatah, Mohamed F.M.},
     title = {Les effets de corr\'elation contemporaine et non contemporaine sur l'estimation d'un syst\`eme d'\'equations de r\'egression},
     journal = {Revue de Statistique Appliqu\'ee},
     pages = {69--80},
     publisher = {Soci\'et\'e de Statistique de France},
     volume = {22},
     number = {2},
     year = {1974},
     mrnumber = {395062},
     language = {fr},
     url = {http://www.numdam.org/item/RSA_1974__22_2_69_0/}
}