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@article{DAN_1987_295_3_a11, author = {N. V. Pogorelov}, title = {Diagonalization and simultaneous symmetrization of matrices in}, journal = {Doklady Akademii Nauk}, pages = {562--566}, publisher = {mathdoc}, volume = {295}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_3_a11/} }
N. V. Pogorelov. Diagonalization and simultaneous symmetrization of matrices in. Doklady Akademii Nauk, Tome 295 (1987) no. 3, pp. 562-566. http://geodesic.mathdoc.fr/item/DAN_1987_295_3_a11/