TY - JOUR AU - Vittorio Cafagna AU - Antonio Vitolo TI - On the maximum principle for second-order elliptic operators in unbounded domains JO - Comptes Rendus. Mathématique PY - 2002 SP - 359 EP - 363 VL - 334 IS - 5 PB - Elsevier DO - 10.1016/S1631-073X(02)02267-7 LA - en ID - CRMATH_2002__334_5_359_0 ER -