@article{JSFU_2008_1_2_a2,
     author = {Denis V. Levchuk and Yakov N. Nuzhin},
     title = {On {Generation} of the {Group} $PSL_n(\mathbb Z+i\mathbb Z)$ by {Three} {Involutions,} {Two} of {Which} {Commute}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {133--139},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2008_1_2_a2/}
}