ЗМІСТ

Balyas L., Varbanets P.
Quadratic residues of the norm group in sectorial domains

Buyukasik E., Tribak R.
Rad-supplements in injective modules

Dixon M.R., Kurdachenko L.A., Pypka A.A., Subbotin I.Ya.
Groups satisfying certain rank conditions

Drozd Y.A., Plakosh A.I.
On nilpotent Chernikov 2-groups with elementary tops

Facchini A., Fassina M.
Factorization of elements in noncommutative rings, I

Ivanov A., Majcher-Iwanow B.
An amalgamation property for metric spaces

Kaniecki M., Kosakowska J., Malicki P., Marczak G.
A horizontal mesh algorithm for posets with positive Tits form

Ongay F., Velásquez R.E., Wills-Toro L.A.
Normal subdigroups and the isomorphism theorems for digroup

Gyurov B., Knauer U., Panma S., Pipattanajinda N.
The Endomorphism Monoids of (n − 3)-regular Graphs of Order n

Protasov I.V.
On n-stars in colorings and orientations of graphs

Zhuchok A.V., Demko M.
Free n-dinilpotent doppelsemigroups