%0 Journal Article %A Aïssatou Mossèle Ndiaye %T About Bounds for Eigenvalues of the Laplacian with Density %J Symmetry, integrability and geometry: methods and applications %D 2020 %V 16 %U http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a89/ %G en %F SIGMA_2020_16_a89