@article{SEMR_2008_5_a29, author = {R. Zh. Aleev and O. V. Mitina}, title = {The decomposition theorem and ranks of central unit groups of integer group rings of groups $PGL_2(q)$, $q$ odd}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {652--672}, publisher = {mathdoc}, volume = {5}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SEMR_2008_5_a29/} }