@article{MAN_1941__118_160081,
     author = {G. Wintgen},
     title = {Zur {Darstellungstheorie} der {Raumgruppen.}},
     journal = {Mathematische Annalen},
     pages = {195--215},
     publisher = {mathdoc},
     volume = {118},
     year = {1941},
     zbl = {67.0076.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160081/}
}