Doroshenko Vadim Valerievich

Publications in Math-Net.Ru

1. Most Transformation Semigroups Are Free
   
   Mat. Zametki, 87:3 (2010),  464–467
2. Generators and relations for the semigroups of increasing functions on $\mathbb N$ and $\mathbb Z$
   
   Algebra Discrete Math., 2005, no. 4,  1–15