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@article{JLT_1992_2_2_a8, author = {A. Levichev and V. Levicheva}, title = {Distinguishability {Conditions} and the {Future} {Semigroup}}, journal = {Journal of Lie theory}, pages = {205--212}, publisher = {mathdoc}, volume = {2}, number = {2}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/JLT_1992_2_2_a8/} }
A. Levichev; V. Levicheva. Distinguishability Conditions and the Future Semigroup. Journal of Lie theory, Tome 2 (1992) no. 2, pp. 205-212. http://geodesic.mathdoc.fr/item/JLT_1992_2_2_a8/