@article{106362, author = {Ji\v r\'\i\ T\r uma}, title = {A simple geometric proof of a theorem on $M\_n$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {026}, year = {1985}, pages = {233-239}, zbl = {0567.08001}, mrnumber = {803919}, language = {en}, url = {http://dml.mathdoc.fr/item/106362} }
Tůma, Jiří. A simple geometric proof of a theorem on $M_n$. Commentationes Mathematicae Universitatis Carolinae, Tome 026 (1985) pp. 233-239. http://gdmltest.u-ga.fr/item/106362/
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