@article{MZ_1984__187_173487,
     author = {Ralph St\"ohr},
     title = {On {Gupta} {Representations} of {Central} {Extensions.}},
     journal = {Mathematische Zeitschrift},
     pages = {259--268},
     publisher = {mathdoc},
     volume = {187},
     year = {1984},
     zbl = {0543.20021},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__187_173487/}
}