@article{MAN_1968__175_161670,
     author = {H. LANGER},
     title = {\"Uber einen {Satz} von {M.A.} {Neumark.}},
     journal = {Mathematische Annalen},
     pages = {303--314},
     publisher = {mathdoc},
     volume = {175},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/MAN_1968__175_161670/}
}