共 6 条
[1]
Kelley J. L., 1958, MICH MATH J, V5, P235
[2]
KELLEY JL, 1955, GENERAL TOPOLOGY NY
[3]
KELLY JL, 1960, MATEMATIKA, V4, P6
[4]
LEVIN VL, 1963, DAN, V150
[5]
PTAK V, 1960, MATEMATIKA, V4, P6
[6]
Ptak V., 1958, B SOC MATH FRANCE, V86, P41