@article{MZ_1982__179_173130,
     author = {Richard Weiss},
     title = {A {Geometric} {Construction} of {Janko's} {Group} {J...} .},
     journal = {Mathematische Zeitschrift},
     pages = {91--96},
     publisher = {mathdoc},
     volume = {179},
     year = {1982},
     zbl = {0481.05034},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__179_173130/}
}