@article{MS2_1958__6_165692,
     author = {Th. Skolem},
     title = {Some {Remarks} on the {Triple} {Systems} of {Steiner.}},
     journal = {Mathematica Scandinavica},
     pages = {273--280},
     publisher = {mathdoc},
     volume = {6},
     year = {1958},
     zbl = {0105.25002},
     url = {http://geodesic.mathdoc.fr/item/MS2_1958__6_165692/}
}