1. D. Cutler and C. Missel, The structure of C-decomposable p ω+n -projective abelian p-groups, Commun. Algebra, 12(3) (1984), 301–319.
2. P. Danchev, Commutative group algebra of abelian Σ groups, Math. J. Okayama Univ., 40(2), 77–90 (1998).
3. P. Danchev, Generalized Dieudonné criterion, Acta Math. Univ. Comenianae, 74(1), 15–24 (2005).
4. P. Danchev, Notes on p ω+1-projective abelian p-groups, Comment. Math. Univ. St. Pauli, 55(1), 17–27 (2006).
5. P. Danchev, Group algebras of elongations of totally projective p-groups by separable p ω+n -projective p-groups (in press).