Grigorchuk, R., & Wilson, J. (2003). A structural property concerning abstract commensurability of subgroups.
Lua i Stíl Chicago (17ú heag.)Grigorchuk, R., agus J. Wilson. A Structural Property Concerning Abstract Commensurability of Subgroups. 2003.
Lua MLA (9ú heag.)Grigorchuk, R., agus J. Wilson. A Structural Property Concerning Abstract Commensurability of Subgroups. 2003.
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