共 7 条
[3]
BREZIS H, 1976, CR ACAD SCI A MATH, V282, P971
[4]
HARKER PT, FINITE DIMENSIONAL V
[5]
Karamardian S., 1971, J OPTIMIZ THEORY APP, V8, P161
[6]
KINDERLEHRER D, 1980, INTRO VARIATIONAL IN
[7]
ZEIDLER E, 1985, NONLINEAR FUNCTIONAL, V3