On a theorem of Schur.
On commuting elemts of groups acting on trees
On Connected Transversals in Finite Groups.
On cyclic commutator subgroups.
On cyclic commutator subgroups. (Short Communication).
On exact power margin groups
On Isoclinic Groups.
On mutual commutants of generalized carpet subgroups.
On normal subgroups of compact groups
Among compact Hausdorff groups whose maximal profinite quotient is finitely generated, we characterize those that possess a proper dense normal subgroup. We also prove that the abstract commutator subgroup is closed for every closed normal subgroup of .
On subgroups of GL (n, A) which are generated by commutators. II.
On the commutator lengths of certain classes of finitely presented groups.
On the inverse limit of free nilpotent groups.
On the power-commutative kernel of locally nilpotent groups.
On variants of a theorem of Schur.