@article{CM_1969__21_2_151_0,
     author = {Cigler, J.},
     title = {On a theorem of {H.} {Weyl}},
     journal = {Compositio Mathematica},
     pages = {151--154},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {21},
     number = {2},
     year = {1969},
     mrnumber = {245530},
     zbl = {0184.07502},
     language = {en},
     url = {http://www.numdam.org/item/CM_1969__21_2_151_0/}
}