共 3 条
[1]
Blumenthal RM., 1960, T AM MATH SOC, V95, P263, DOI [DOI 10.2307/1993291, 10.1090/S0002-9947-1960-0119247-6, DOI 10.1090/S0002-9947-1960-0119247-6]
[2]
DVORETZKY A., 1957, P CAMBRIDGE PHILOS S, V53, P856
[3]
TAYLOR SJ, 1966, Z WAHRSCH VERW GEBIE, V5, P247