共 4 条
[3]
van der Waerden B.L., 1953, MODERN ALGEBRA, V1
[4]
Walsh JL., 1936, B AM MATH SOC, V42, P923, DOI [DOI 10.1090/S0002-9904-1936-06468-2, 10.1090/S0002-9904-1936-06468-2]