Rusakou A D

Publications in Math-Net.Ru

1. New criteria of associativity of $l$-ary operation $\eta_{s,\sigma,k}$
   
   PFMT, 2018, no. 2(35),  76–79
2. On nonsemiassociativity of polyadic operation $\eta_{s, \sigma, k}$
   
   PFMT, 2017, no. 1(30),  68–72