“THE NUMBER OF DISTINCT FUZZY SUBGROUPS OF THE GROUP $\mathbb{Z}_{p^n} \times \mathbb{Z}_{q^m} \times \mathbb{Z}_r$ FOR DISTINCT PRIMES $p, q, r$ AND $m, n \in \mathbb{Z}^{+}$” (2022) Advances in Fuzzy Sets and Systems, 27(1), pp. 111–138. doi:10.17654/0973421X22006.