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@article{DAN_1993_333_3_a7, author = {E. E. Tyrtyshnikov}, title = {New theorems on the distribution of eigenvalues and singular}, journal = {Doklady Akademii Nauk}, pages = {300--303}, publisher = {mathdoc}, volume = {333}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a7/} }
E. E. Tyrtyshnikov. New theorems on the distribution of eigenvalues and singular. Doklady Akademii Nauk, Tome 333 (1993) no. 3, pp. 300-303. http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a7/