TY - JOUR AU - Gerard Besson AU - Sylvestre Gallot TI - On Scalar and Ricci Curvatures JO - Symmetry, integrability and geometry: methods and applications PY - 2021 VL - 17 UR - http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a45/ LA - en ID - SIGMA_2021_17_a45 ER -