@article{MZ_1968__108_171099,
     author = {Robert M., Jr. Stephenson},
     title = {Two {Minimal} {First} {Countable} {Hausdorff} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {171--172},
     publisher = {mathdoc},
     volume = {108},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__108_171099/}
}