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Translated from Itogi Nauki i Tekhniki, Seriya Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory. Vol. 120, Algebra, 2005.
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Chekhlov, A.R., Krylov, P.A. On L. Fuchs’ problems 17 and 43. J Math Sci 143, 3517–3602 (2007). https://doi.org/10.1007/s10958-007-0223-1
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DOI: https://doi.org/10.1007/s10958-007-0223-1