共 17 条
[2]
ADIMURTHI, 1990, COMMUN PART DIFF EQ, V15, P461
[5]
CHANG SYA, 1988, J DIFFER GEOM, V27, P259
[6]
CHERRIER P, 1984, B SCI MATH, V108, P225
[7]
do O JM, 2017, ANN MAT PUR APPL, V196, P363, DOI 10.1007/s10231-016-0576-5