摘要
We revise one case of the M-solutions of B. Wang, et al., J. Diff. Eqs. 253 （2012）, pp. 3232-3265 and obtain more precise form of the singular term and the regular term.
基金
The authors would thank Professor Li Yi very much for helpful discussion. Zhang is supported by the National Natural Science Foundation of China （No. 11371286, 11401458） and by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
