@article{CM_1972__24_3_359_0,
     author = {Lutzer, David J.},
     title = {Another property of the {Sorgenfrey} line},
     journal = {Compositio Mathematica},
     pages = {359--363},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {24},
     number = {3},
     year = {1972},
     mrnumber = {307171},
     zbl = {0239.54015},
     language = {en},
     url = {http://www.numdam.org/item/CM_1972__24_3_359_0/}
}