共 12 条
[2]
Frechet M., 1924, ANN SOC POL MATH, V3, P4
[3]
HAHN H, 1914, JAHRESBERICHT DTSCH, V23, P318
[4]
KURATOWSKI, 1930, FUNDAMENTA MATH, V16, P305
[5]
MOORE RL, 1925, T AM MATH SOC, V27, P425
[6]
MOORE RL, C PUBLICATIONS, V13, P94
[9]
WHYBURN GT, 1929, T AM MATH SOC, V29, P382
[10]
WHYBURN GT, 1927, B AM MATH SOC, V33, P305