The issue devoted to the 60th anniversary of the birth of Rostislav Grigorchuk

ЗМІСТ

Rostislav I . Grigorchuk. To the 60th anniversary

Howie J.
Generalised triangle groups of type (3, q, 2)

Kasyanuk M.
On one class of semiperfect semidistributive rings

Kurdachenko L.A., Grin K.O., Turbay N.A
On normalizers in fuzzy groups

Maxson C.J.
Function algebras on rectangular bands

Oliynyk B.
Infinitely iterated wreath products of metric spaces

Pinedo H.
On elementary domains of partial projective representations of groups

Plonka E.
Associative words in the symmetric group of degree three

Shestakov I., Tsurkov A.
Automorphic equivalence of the representations of Lie algebras

Wisbauer R.
Regular pairings of functors and weak (co)monads