DerechV. D. “Complete Classification of Finite Semigroups for Which the Inverse Monoid of local Automorphisms Is a Permutable Semigroup”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 68, no. 11, Nov. 2016, pp. 1571-8, http://umj.imath.kiev.ua/index.php/umj/article/view/1943.