@article{JRAM_1962__209_150518,
     author = {Martin Kneser},
     title = {Approximationss\"atze f\"ur algebraische {Gruppen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {96--97},
     publisher = {mathdoc},
     volume = {209},
     year = {1962},
     zbl = {0106.25202},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1962__209_150518/}
}