@article{10_4064_fm_113_1_21_35,
     author = {P. Johnstone},
     title = {Tychonoff's theorem without the axiom of choice},
     journal = {Fundamenta Mathematicae},
     pages = {21--35},
     publisher = {mathdoc},
     volume = {113},
     number = {1},
     year = {1981},
     doi = {10.4064/fm-113-1-21-35},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-113-1-21-35/}
}