共 9 条
[1]
Berger M, 1971, J DIFF GEOM, V5
[2]
BERGER MS, 1969, J MATH MECH, V19, P13
[4]
MOSER J, 1971, INDI MATH J, V20
[5]
ONEILL, 1966, ELEMETARY DIFFERENTI
[6]
Osserman R., 1957, PAC J MATH, V7, P1641, DOI DOI 10.2140/PJM.1957.7.1641
[7]
SATTINGER DH, TO BE PUBLISHED
[8]
TRUDINGER N, 1968, SCUOLA NORMALE SUPER, V22, P265
[9]
Wittich H, 1944, MATH Z, V49, P579