共 6 条
[1]
Hartman P., 2010, CLASSICS APPL MATH, V38
[2]
HENDERSON J, 1984, J MATH ANAL APPL, V98, P363, DOI 10.1016/0022-247X(84)90255-5
[6]
Sukup D. V., 1976, ROCKY MOUNTAIN J MAT, V6, P357