The issue dedicated to the 60th birthday of I.Ya. Subbotin

ЗМІСТ

Davis T.C.
Length functions for semigroup embeddings

Fernandez J.C.G.
On commutative nilalgebras of low dimension

Galuszka J.
Lattices of classes of groupoids with one-sided quasigroup conditions

Kirichenko V.V., Kurdachenko L.A.
On some developments in investigation of groups with prescribed properties of generalized normal subgroups

Mekhovich A.P., Vorob’ev N.N., Vorob’ev N.T.
Hall operators on the set of formations of finite groups

Russo F.G.
A generalization of groups with many almost normal subgroups

Russyev A.
Finite groups as groups of automata with no cycles with exit

Schwarz T.
Small non-associative division algebras up to isotopy

Zhuchok A.V.
Free commutative dimonoids