共 29 条
[1]
AGGERI JC, 1965, CR HEBD ACAD SCI, V260, P6011
[3]
Bishop E., 1963, P S PURE MATH AM MAT, V7, P27, DOI 10.1090/pspum/007/0154092
[4]
BREZIS HR, 1968, B SOC MATH FR, V96, P153
[10]
BROWDER FE, P S PURE MATH AM MAT, V18