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@article{FAA_1971_5_2_a12, author = {S. M. Semenov}, title = {Algebras on a {Hilbert} space which are generated by quadratic forms}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {89--90}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a12/} }
S. M. Semenov. Algebras on a Hilbert space which are generated by quadratic forms. Funkcionalʹnyj analiz i ego priloženiâ, Tome 5 (1971) no. 2, pp. 89-90. http://geodesic.mathdoc.fr/item/FAA_1971_5_2_a12/
[1] Shilov G.E., Vestnik MGU, 2 (1970), 66–68 | Zbl