On the Burnside problem for groups of even exponent.
On the SQ-universality of T(6)-groups.
On Tits' conjecture and other questions concerning Artin and generalized Artin groups.
Preservation and Distortion of Area in Finitely Presented Groups.
Products of Conjugacy Classes in a Free Group: a Counterexample.
Small Cancellation Conditions Satisfield by One-Relator Groups.
Small cancellation theory and automatic groups.
Small cancellation theory and automatic groups: Part II.
Solvable word problems in semigroups.
Spherical Diagrams and Indentities Among Relations.
SQ-универсальность свободных произведений с объединенными конечными подгруппами
Subgroups of small cancellation groups.
The absence of efficient dual pairs of spanning trees in planar graphs.
The genus problem for one-relator products of locally indicable groups.
Диаграммы гомоморфизмов групп поверхностей.
О некоторых бесконечных группах.
Переодические фактор-группы гиперболических групп
Центрально-симметрическая группа Новикова.