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@article{FAA_1973_7_2_a11, author = {E. A. Gutkin}, title = {Matrices connected with groups generated by mappings}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {81--82}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a11/} }
E. A. Gutkin. Matrices connected with groups generated by mappings. Funkcionalʹnyj analiz i ego priloženiâ, Tome 7 (1973) no. 2, pp. 81-82. http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a11/