@article{MAN_1893__43_157683,
     author = {E. Moore},
     title = {Concerning triple systems},
     journal = {Mathematische Annalen},
     pages = {271--285},
     publisher = {mathdoc},
     volume = {43},
     year = {1893},
     zbl = {25.0198.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1893__43_157683/}
}