The tensor product of a semigroup with a union of groups.
The tensor product of groupoids
The tensor product of right groups
The tensor product of semi-lattices.
The theory of characters of commutative Hausdorff bicompact semigroups
The theory of operations as the general theory of groups - Dissertation, Voronez, 1922, 80 pp. An historical review by L.M. Gluskin and B.M. Schein
The topology of continuous partially-additive monoids
The topology of the free topological semigroup
The translational degree of a semigroup.
The translational hull in semigroups and rings.
The translational hull of a normal cryptogroup
The translational hull of a subsemigroup of a semilattice of groups.
The translational hull of an adequate semigroup.
The universal group of homogeneous quotients.
The varieties of languages corresponding to the varieties of finite band monoids.
The varieties of n-testable semigroups.
The variety generated by finite nilpotent monoids.
The word problem for nilpotent inverse monoids.
The word problem in regular band free products.
The...-CATEGORY OF A SEMIGROUP.