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@article{ADM_2003_4_a9, author = {Yaroslav Vorobets}, title = {On faithful actions of groups and semigroups by orientation-preserving plane isometries}, journal = {Algebra and discrete mathematics}, pages = {118--125}, publisher = {mathdoc}, number = {4}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ADM_2003_4_a9/} }
Yaroslav Vorobets. On faithful actions of groups and semigroups by orientation-preserving plane isometries. Algebra and discrete mathematics, no. 4 (2003), pp. 118-125. http://geodesic.mathdoc.fr/item/ADM_2003_4_a9/