1. Beers D., Richman F., Walker E.,Group algebras of abelian groups, Rend. Sem. Mat. Univ. Padova,69 (1983), 41–50.
2. Berman S. D.,Group algebras of countable abelian p-groups, Publ. Math. Debrecen,14 (1967), 365–405.
3. Berman S. D., Mollov T. Zh.,On the group rings of abelian p-groups of arbitrary power, Mat. Zametki,6 (1969), 381–392. (Russian)
4. Danchev P. V.,Isomorphism of commutative group algebras, Compt. rend. Acad. bulg. Sci.,48 (1995), 9–11.
5. _____,Invariants of commutative group algebras, Math. Balkanica,12 (1998), 13–22.