1. P. Puusemp, “On the determinability of a periodic Abelian group by the semigroup of endomorphisms,” Izv. Akad. Nauk Ehst. SSR, Fiz.Mat. 29 (3), 241–245 (1980).
2. P. Puusemp, “On the determinability of a periodic Abelian group by the semigroup of endomorphisms in the class of all periodic Abelian groups,” Izv. Akad. Nauk ést. SSR, Fiz. Mat. 29 (3), 246–253 (1980) [in Russian].
3. A. M. Sebel’din, “Determination of Abelian groups by their semigroups of endomorphisms,” Abelian Groups and Modules, No. 10, 125–134 (1991) [in Russian].
4. A. M. Sebel’din, “Abelian groups with isomorphic endomorphism semigroups,” Uspekhi Mat. Nauk 49 (6), 211–212 (1994) [Russian Math. Surveys 49 (6), 212–213 (1994)].
5. O. V. Lyubimtsev and D. S. Chistyakov, “Mixed Abelian groups with isomorphic endomorphism semigroups,” Mat. Zametki 97 (4), 556–565 (2015) [Math. Notes 97 (4), 556–564 (2015)].