Self- c -injective abelian groups Simion Breaz; Grigore Călugăreanu — 2006 Rendiconti del Seminario Matematico della Università di Padova
Abelian groups have/are near Frattini subgroups Simion Breaz; Grigore Călugăreanu — 2002 Commentationes Mathematicae Universitatis Carolinae The notions of nearly-maximal and near Frattini subgroups considered by J.B. Riles in [20] and the natural related notions are characterized for abelian groups.