共 7 条
[1]
Brakhage H., 1965, ARCH MATH, V16, P325, DOI DOI 10.1007/BF01220037
[3]
KRESS R, 1971, ARCH RATION MECH AN, V42, P40
[4]
KRESS R, TO BE PUBLISHED
[5]
Leis R, 1967, VORLESUNGEN PARTIELL
[6]
Miranda C, 1970, ERGEB MATH GRENZGEB, V2
[7]
Plemelj J, 1911, POTENTIALTHEORETISCH