TY - JOUR AU - Luca Sabatini TI - Estimates of the Laplacian Spectrum and Bounds of Topological Invariants for Riemannian Manifolds with Boundary JO - Analele Universităţii "Ovidius" Constanţa Seria Matematică PY - 2019 VL - XXVII IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ASUO_2019_XXVII_2_a15/ ID - ASUO_2019_XXVII_2_a15 ER -