@article{MS2_1965__16_165919,
     author = {Sten Hansen},
     title = {A {Generalization} of a {Theorem} of {Sylvester} on the {Lines} {Determined} by a {Finite} {Point} {Set.}},
     journal = {Mathematica Scandinavica},
     pages = {175--180},
     publisher = {mathdoc},
     volume = {16},
     year = {1965},
     zbl = {0156.19501},
     url = {http://geodesic.mathdoc.fr/item/MS2_1965__16_165919/}
}