@article{PDML_1988___3B_7_0,
     author = {Costa, Douglas L.},
     title = {Sur la condition de cha{\^\i}nes sur les annulateurs},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {7--11},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     number = {3B},
     year = {1988},
     mrnumber = {1053164},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1988___3B_7_0/}
}