@article{AA_2007_19_6_a4,
     author = {I. Panin and U. Rehmann},
     title = {A~variant of a~theorem by {Springer}},
     journal = {Algebra i analiz},
     pages = {117--125},
     publisher = {mathdoc},
     volume = {19},
     number = {6},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2007_19_6_a4/}
}