TY - JOUR AU - Philippe G. Ciarlet AU - Cristinel Mardare TI - W2,p-estimates for surfaces in terms of their two fundamental forms JO - Comptes Rendus. Mathématique PY - 2018 SP - 85 EP - 91 VL - 356 IS - 1 PB - Elsevier DO - 10.1016/j.crma.2017.12.003 LA - en ID - CRMATH_2018__356_1_85_0 ER -