@article{SEMR_2014_11_a23,
     author = {V. Yu. Gubarev and P. S. Kolesnikov},
     title = {$\Gamma$-conformal algebras of finite type for torsion-free group $\Gamma$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {759--770},
     publisher = {mathdoc},
     volume = {11},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2014_11_a23/}
}