@article{PDML_1969__6_1_67_0,
     author = {Achache, Achille},
     title = {Discr\'etude, libert\'e et libert\'e bornologique},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {67--72},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     volume = {6},
     number = {1},
     year = {1969},
     mrnumber = {258680},
     zbl = {0177.02501},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1969__6_1_67_0/}
}