共 8 条
[1]
ALBRECHT R, 1957, MATH Z, V67, P320
[2]
ENDL K, 1956, MATH Z, V65, P113
[3]
HAUSDORFF F, 1929, MATH Z, V9, P280
[4]
HAUSDORFF F, 1929, MATH Z, V9, P74
[5]
HILDEBRANDT T. H, 1932, B AM MATH SOC, V38, P269
[6]
HILDEBRANDT TH, 1932, ANN MATH, V34, P317
[7]
Schoenberg IJ, 1932, T AM MATH SOC, V34, P594
[8]
Scott WT, 1942, T AM MATH SOC, V51, P255