共 13 条
[1]
[Anonymous], AM MATH SOC C PUBLIC
[2]
[Anonymous], 1973, PURE APPL MATH
[3]
Buium A., 1994, ACTUALITES MATH
[4]
Freudenburg G, 2006, ENCYCL MATH SCI, V136, P1
[7]
KAPLANSKY I, 1976, ACTUALITES SCI IND, V1251