共 13 条
[1]
[Anonymous], 1965, Topology
[3]
CHISWELL IM, 1973, THESIS U MICHIGAN
[4]
GRUENBERG KW, 1970, LECTURE NOTES
[6]
Magnus W., 2004, Combinatorial group theory: presentations of groups in terms of generators and relations, V2nd ed.
[8]
Serre J.-P., 1971, Ann. of Math. Stud., V70, P77
[9]
SERRE JP, TO BE PUBLISHED