@article{CRMATH_2003__336_7_611_0, author = {Stanislav Kupin}, title = {On sum rules of special form for {Jacobi} matrices}, journal = {Comptes Rendus. Math\'ematique}, pages = {611--614}, publisher = {Elsevier}, volume = {336}, number = {7}, year = {2003}, doi = {10.1016/S1631-073X(03)00132-8}, language = {en}, }