数学物理学报(英文版) ›› 1990, Vol. 10 ›› Issue (2): 173-184.
何旭东, 陈宝耀
He Xudong, Chen Baoyao
摘要: Let us consider the following elliptic systems of second order
-Dα(Aiα(x, u, Du))=Bi(x, u, Du), i=1, …, N, x∈Ω⊂Rn, n ≥ 3 (1) and suppose
ⅰ)|Aiα(x, u, Du)| ≤ L(1+|Du|);
ⅱ) (1+|p|)-1 Aiα(x, u, p)are Hölder-continuous functions with some exponent δ on Ω×RN uniformly with respect to p, i.e.