共 8 条
[4]
Gaschutz W., 1959, ILLINOIS J MATH, V3, P469
[5]
Gaschutz W., 1962, ARCH MATH, V13, P418
[6]
Gaschutz W., 1962, MATH Z, V80, P300, DOI [10.1007/BF01162386, DOI 10.1007/BF01162386]
[7]
HAWKES T, 1967, 1965 P INT C THEOR G, P145