1. Quasi-formations;Israel Journal of Mathematics;2018-10-23
2. GROWTH RATES OF ALGEBRAS, I: POINTED CUBE TERMS;Journal of the Australian Mathematical Society;2016-01-22
3. A Group with Constant Growth Rate;The American Mathematical Monthly;1983-05
4. Infinite groups;Journal of Soviet Mathematics;1982
5. The intersection of the subgroups of finite index in some finitely presented groups;Proceedings of the American Mathematical Society;1975