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@article{FAA_1987_21_4_a15, author = {A. V. Rybkin}, title = {Trace for the pair of a contraction and a unitary operator}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {85--87}, publisher = {mathdoc}, volume = {21}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a15/} }
A. V. Rybkin. Trace for the pair of a contraction and a unitary operator. Funkcionalʹnyj analiz i ego priloženiâ, Tome 21 (1987) no. 4, pp. 85-87. http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a15/