共 23 条
[1]
Alekseevsky D.V., 1975, MATH USSR IZV, V9, P297
[3]
Atiyah M. F., 1964, TOPOLOGY S1, V3, P3, DOI [DOI 10.1016/0040-9383(64)90003-5, 10.1016/0040-9383(64)90003-5]
[5]
BOURBAKI N, 1968, ELEMENTS MATH, P277
[6]
Cartan E, 1926, P K AKAD WET-AMSTERD, V29, P803
[9]
DEWIT B, THU881 UTRECHT PREPR