共 6 条
[2]
BRODY EJ, 1954, THESIS PRINCETON
[3]
BURAU W, 1933, HAMBURG ABH, V9, P125
[4]
Seifert H., 1950, Q J MATH OXFORD SER, V1, P23
[5]
Whitehead J., 1937, J LOND MATH SOC, V12, P63
[6]
[No title captured]