@article{10_4153_CMB_1977_057_2,
     author = {Duret, Jean-Louis},
     title = {Instabilit\'e {Des} {Corps} {Formellement} {R\'eels}},
     journal = {Canadian mathematical bulletin},
     pages = {385--387},
     year = {1977},
     volume = {20},
     number = {3},
     doi = {10.4153/CMB-1977-057-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-057-2/}
}