共 12 条
[1]
Andrijevic D., 1986, Matematicki Vesnik, V38, P24
[2]
BOURBAKI N, 1966, GENERAL TOPOLOGY
[6]
Mashhour A., 1982, Proc. Math. Phys. Soc. Egypt, V53, P47
[8]
NJASTAD O, 1965, PAC J MATH, V15, P961
[9]
Noiri T., 1984, Casopis Pest. Mat, V109, P118, DOI [10.21136/CPM.1984.108508, DOI 10.21136/CPM.1984.108508]