共 5 条
[1]
Baer R., 1935, COMPOS MATH, V2, P241
[2]
HALL P, 1933, P LOND MATH SOC, V36, P29, DOI 10.1112/plms/s2-36.1.29
[4]
ZASSENHAUS H, LEHRBUCH GRUPPENTHEO, V1, P108
[5]
1934, COMPOSITIO MATH, V1, P254