Bridson, M., & Wilton, H. (2007). Subgroup separability in residually free groups.
Cita Chicago (17th ed.)Bridson, M., i H. Wilton. Subgroup Separability in Residually Free Groups. 2007.
Cita MLA (9th ed.)Bridson, M., i H. Wilton. Subgroup Separability in Residually Free Groups. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.