@article{TIMM_2007_13_1_a3,
     author = {V. V. Bludov and B. V. Gusev},
     title = {Geometric equivalence of groups},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {57--78},
     year = {2007},
     volume = {13},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2007_13_1_a3/}
}