Subgroups of finite index in an additive group of a ring.
Mojdeh, Doostali; Hashemi, S.Hassan
International Journal of Mathematics and Mathematical Sciences (2001)
- Volume: 27, Issue: 2, page 83-89
- ISSN: 0161-1712
Mojdeh, Doostali; Hashemi, S.Hassan
International Journal of Mathematics and Mathematical Sciences (2001)