Koroleva Anastasia M., Norbosambuev Tsyrendorzhi D., Zykov Artem E. «Conjugate idempotent formal matrices of order 2 over residue class rings» // Tomsk State University Journal of Mathematics and Mechanics 2025. №95 C.19-27
Norbosambuev Tsyrendorzhi D., Podkorytov Maxim V., Koroleva Anastasia M. «Idempotent and nil-clean formal matrices of order 2 over residue class rings» // Tomsk State University Journal of Mathematics and Mechanics 2025. №93 C.30-40
