TY - JOUR AU - Ali Sili TI - On the limit spectrum of a degenerate operator in the framework of periodic homogenization or singular perturbation problems JO - Comptes Rendus. Mathématique PY - 2022 SP - 1 EP - 23 VL - 360 PB - Académie des sciences, Paris DO - 10.5802/crmath.263 LA - en ID - CRMATH_2022__360_G1_1_0 ER -