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@article{FAA_1998_32_4_a12, author = {V. M. Manuilov}, title = {An {Invariant} of a {Pair} of {Almost} {Commuting} {Unbounded} {Operators}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {88--91}, publisher = {mathdoc}, volume = {32}, number = {4}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1998_32_4_a12/} }
V. M. Manuilov. An Invariant of a Pair of Almost Commuting Unbounded Operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 32 (1998) no. 4, pp. 88-91. http://geodesic.mathdoc.fr/item/FAA_1998_32_4_a12/