DokuchaevM. A. and KirichenkoV. V. (2002) “Quasi-Frobenius Rings and Nakayama Permutations of Semiperfect Rings”, Ukrains’kyi Matematychnyi Zhurnal, 54(7), pp. 919-930. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4128 (Accessed: 22November2024).