TY - JOUR AU - Luca Sabatini   TI - Estimates of the Laplacian Spectrum and Bounds of Topological Invariants for Riemannian Manifolds with Boundary II JO - Analele Universităţii "Ovidius" Constanţa Seria Matematică PY - 2020 VL - XXVIII IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ASUO_2020_XXVIII_1_a15/ ID - ASUO_2020_XXVIII_1_a15 ER -