Sango, Mamadou2018-11-042018-11-041997-11-29Sango, M. (1997). A spectral problem with an indefinite weight for an elliptic system. <i>Electronic Journal of Differential Equations, 1997</i>(21), pp. 1-14.1072-6691https://hdl.handle.net/10877/7771We establish the completeness and the summability in the sense of Abel-Lidskij of the root vectors of a non-selfadjoint elliptic problem with an indefinite weight matrix and the angular distribution of its eigenvalues.Text14 pages1 file (.pdf)enAttribution 4.0 InternationalIndefinite weightCompletenessSummabilityRoot vectorsArticle