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@article{RCM_1969__3_181573, author = {Nelo D. Allan}, title = {A note on symetric matrices}, journal = {Revista colombiana de matematicas}, pages = {45--50}, publisher = {mathdoc}, volume = {3}, year = {1969}, zbl = {0322.15025}, url = {http://geodesic.mathdoc.fr/item/RCM_1969__3_181573/} }
Nelo D. Allan. A note on symetric matrices. Revista colombiana de matematicas, Tome 3 (1969), pp. 45-50. http://geodesic.mathdoc.fr/item/RCM_1969__3_181573/