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@article{JRAM_1965__218_150683, author = {Martin Kneser}, title = {Starke {Approximation} in algebraischen {Gruppen.} {I.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {190--203}, publisher = {mathdoc}, volume = {218}, year = {1965}, zbl = {0143.04701}, url = {http://geodesic.mathdoc.fr/item/JRAM_1965__218_150683/} }
Martin Kneser. Starke Approximation in algebraischen Gruppen. I.. Journal für die reine und angewandte Mathematik, Tome 218 (1965), pp. 190-203. http://geodesic.mathdoc.fr/item/JRAM_1965__218_150683/