共 6 条
[1]
Aleksandrov, 1977, VVEDENIE TEORIYU MNO
[2]
Arhangel'skii A. V., 1978, RUSS MATH SURV, V33, P33
[3]
EFIMOV BA, 1978, COMMENT MATH U CAROL, V19, P569
[4]
JECH TJ, 1971, LECTURE NOTES MATH, V217
[5]
Ponomarev V. I., 1976, RUSS MATH SURV, V31, P138
[6]
White HE, 1978, CANAD MATH B, V21, P103