共 17 条
[1]
ALT HW, 1981, J REINE ANGEW MATH, V325, P107
[2]
Buttazzo G., 1989, PITMAN RES NOTES MAT, V207
[3]
Campanato S., 1980, SISTEMI ELLITTICI FO
[4]
De Giorgi E., 1957, MEN ACCAD SCI TORINO, V3, P25
[6]
FEDERER H, 1969, GEOMETRIC MEASURE TH
[7]
GIAQUINTA M, 1979, J REINE ANGEW MATH, V311, P145
[9]
Giaquinta M., 1983, MULTIPLE INTEGRALS C
[10]
GIUSTI E, 1984, MINIMAL SURFACES FUN