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@article{PORMA_1985__43_1_114537, author = {Deutsch, Emeric and Neumann, Michael}, title = {On the derivatives of the {Perron} vector}, journal = {Portugaliae mathematica}, pages = {35--42}, publisher = {mathdoc}, volume = {43}, number = {1}, year = {1985}, mrnumber = {0875050}, zbl = {0594.15008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114537/} }
Deutsch, Emeric; Neumann, Michael. On the derivatives of the Perron vector. Portugaliae mathematica, Tome 43 (1985) no. 1, pp. 35-42. http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114537/