- Petros Hadjicostas, “On the number of necklaces whose co-periods divide a given integer”, Ramanujan J, 61, no. 4, 2023, 1021
- Dongchun Han, Hanbin Zhang, “A Reciprocity on Finite Abelian Groups Involving Zero-Sum Sequences”, SIAM J. Discrete Math., 35, no. 2, 2021, 1077