@article{MZ_1972__124_171666,
     author = {Kok-Wee Phan},
     title = {A {Characterization} of the {Finite} {Groups} {PSL} (n, q).},
     journal = {Mathematische Zeitschrift},
     pages = {169--185},
     publisher = {mathdoc},
     volume = {124},
     year = {1972},
     zbl = {0244.20049},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__124_171666/}
}