Almost and quasi-Leinster groups
Pleşca, Iulia-Cătălina, Tărnăuceanu, Marius
On the number of diamonds in the subgroup lattice of a finite abelian group
Fodor, Dan Gregorian, Tărnăuceanu, Marius
A characterization of the quaternion group
Tărnăuceanu, Marius