@article{ADM_2005_4_a4,
     author = {B. Plotkin and A. Tsurkov},
     title = {Action type geometrical equivalence of representations of groups},
     journal = {Algebra and discrete mathematics},
     pages = {48--79},
     year = {2005},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2005_4_a4/}
}