@article{700917,
     title = {Darstellungen von Matrizengruppen \"uber topologischen K\"orpern},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1962},
     pages = {[119]-120},
     mrnumber = {MR0147559},
     zbl = {0136.11503},
     url = {http://dml.mathdoc.fr/item/700917}
}

Boseck, H. Darstellungen von Matrizengruppen über topologischen Körpern, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), pp. [119]-120. http://gdmltest.u-ga.fr/item/700917/