ЗМІСТ

Gutik O.V., Pavlyk K.P.
Topological semigroups of matrix units

Koppitz J., Shtrakov S.
On mappings of terms determined by hypersubstitutions

Krishna K.V., Chatterjee N.
A necessary condition to test the minimality of generalized linear sequential machines using the theory of near-semirings

Legchekova H.V.
Criterions of supersolubility of some finite factorizable groups

Protasova K.D.
On square-Hamiltonian graphs

Shirikov E.N.
Two-generated graded algebras

Skiba A.N.
A note on c-normal subgroups of finite groups

Zekovic B.
Ternary Hopf algebras