Grigorchuk, R., & Wilson, J. (2003). A structural property concerning abstract commensurability of subgroups.
Cita Chicago (17th ed.)Grigorchuk, R., i J. Wilson. A Structural Property Concerning Abstract Commensurability of Subgroups. 2003.
Cita MLA (9th ed.)Grigorchuk, R., i J. Wilson. A Structural Property Concerning Abstract Commensurability of Subgroups. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.