共 16 条
[1]
BRYANT RL, 1983, DUKE MATH J, V50, P893, DOI 10.1215/S0012-7094-83-05040-8
[2]
Cartan E., 1971, SYSTEMES DIFFERENTIE
[3]
Cartan E., 1945, SYSTEMES DIFFERENTIE
[5]
DETURCK DM, 1981, ANN SCI ECOLE NORM S, V14, P249
[6]
DEVEUBEKE BF, 1979, APPLIED MATH SCI, V29
[7]
FLANDERS H, 1963, DIFFERENTIAL FORMS
[9]
GASQUI J, 1979, DUKE MATH J, V45, P109