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@article{DAN_1961_141_2_a6, author = {M. M. Dzhrbashyan}, title = {Unitary pairs of operators and their analytic characterization in $L_2(a,b)$}, journal = {Doklady Akademii Nauk}, pages = {281--284}, publisher = {mathdoc}, volume = {141}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a6/} }
M. M. Dzhrbashyan. Unitary pairs of operators and their analytic characterization in $L_2(a,b)$. Doklady Akademii Nauk, Tome 141 (1961) no. 2, pp. 281-284. http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a6/