Semenov Pavel Pavlovich

Publications in Math-Net.Ru

1. Endomorphisms of semigroups of invertible nonnegative matrices over ordered rings
   
   Fundam. Prikl. Mat., 17:5 (2012),  165–178
2. Automorphisms of semigroups of invertible matrices with nonnegative integer elements
   
   Mat. Sb., 203:9 (2012),  117–132
3. Elementary equivalence of semigroups of invertible matrices with nonnegative elements over commutative partially ordered rings
   
   Fundam. Prikl. Mat., 14:4 (2008),  75–85
4. Automorphisms of the semigroup of invertible matrices with nonnegative elements over commutative partially ordered rings
   
   Fundam. Prikl. Mat., 14:2 (2008),  69–100