共 28 条
[1]
ALEXANDROFF P, 1935, TOPOLOGY, P552
[2]
[Anonymous], 1986, SEL MATH SOV
[3]
ARNOLD V, 1965, CR HEBD ACAD SCI, V261, P17
[4]
BLANK AA, UNPUB
[8]
FENN RA, 1983, TECHNIQUES GEOMETRIC, pCH5
[9]
FERRARO VV, INTRO MAGNETO FLUID, P47
[10]
Flanders H., 1963, DIFFERENTIAL FORMS A