Kach Asher M

Publications in Math-Net.Ru

1. Jump inversions of algebraic structures and the $\Sigma$-definability
   
   Algebra Logika, 57:2 (2018),  243–249
2. Computing and dominating the Ryll-Nardzewski function
   
   Algebra Logika, 53:2 (2014),  271–281