@article{SEMR_2007_4_a26,
     author = {A. A. Mishchenko and A. V. Treyer},
     title = {Commuting graphs for partially commutative nilpotent $\mathbb Q$-groups of class~$2$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {460--481},
     publisher = {mathdoc},
     volume = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2007_4_a26/}
}