ЗМІСТ

Feigelstock S.
N – real fields

Gobel R., Wallutis S.L.
An algebraic version of the Strong Black Box

Kashu A.I.
On equivalence of some subcategories of modules in Morita contexts

Kuznetsov E.
Gyrogroups and left gyrogroups as transversals of a special kind

Pyekhtyeryev V.
H- and R-cross-sections of the full finite semigroup Tn

Szeto G., Xue L.
The commutator Hopf Galois extensions

Theohari-Apostolidi Th., Vavatsoulas H.
On the separability of the restriction functor

Ustimenko V.A.
On a group theoretical construction of expanding graphs