@article{SEMR_2012_9_a10, author = {Bruno P. Zimmermann}, title = {On finite groups acting on spheres and finite subgroups of orthogonal groups}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {1--12}, publisher = {mathdoc}, volume = {9}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SEMR_2012_9_a10/} }