The true prosoluble completion of a group: Examples and open problems Journal of Geometriae Dedicata, pp.5-26, 2007. ,
On the residual finiteness of generalised free products of nilpotent groups, Transactions of the American Mathematical Society, vol.106, issue.2, pp.193-209, 1963. ,
DOI : 10.1090/S0002-9947-1963-0144949-8
Positive one-relator groups, Transactions of the American Mathematical Society, vol.156, pp.165-183, 1971. ,
DOI : 10.1090/S0002-9947-1971-0274562-8
The Splitting Properties of Relatively Free Groups, Proceedings of the London Mathematical Society, vol.3, issue.1, pp.343-356, 1954. ,
DOI : 10.1112/plms/s3-4.1.343
Doubles of residually solvable groups. Aspects of Infinite Group Theory, Algebra and Discrete Mathematics, World Scientific, vol.1, 2008. ,
On the Residual Solvability of Generalized Free Products of Finitely Generated Nilpotent Groups, Communications in Algebra, vol.71, issue.2, 2010. ,
DOI : 10.1017/CBO9780511565953
Generalized Free Products with Amalgamated Subgroups, American Journal of Mathematics, vol.71, issue.3, pp.491-540, 1949. ,
DOI : 10.2307/2372346
A course in the theory of groups, 1995. ,
Residual properties of one-relator groups, 2010. ,
Residual Finiteness of Quasi-Positive One-Relator Groups, Journal of the London Mathematical Society, vol.66, issue.2, pp.334-350, 2002. ,
DOI : 10.1112/S0024610702003538