Roman’kov, V. A.; Khisamiev, N. G. Existentially closed subgroups of free nilpotent groups. (English. Russian original) Zbl 1333.20036 Algebra Logic 53, No. 1, 29-38 (2014); translation from Algebra Logika 53, No. 1, 45-59 (2014). MSC: 20F18 20F70 20E07 20E10 PDFBibTeX XMLCite \textit{V. A. Roman'kov} and \textit{N. G. Khisamiev}, Algebra Logic 53, No. 1, 29--38 (2014; Zbl 1333.20036); translation from Algebra Logika 53, No. 1, 45--59 (2014) Full Text: DOI
Roman’kov, V. A.; Khisamiev, N. G. Verbally and existentially closed subgroups of free nilpotent groups. (English. Russian original) Zbl 1330.20049 Algebra Logic 52, No. 4, 336-351 (2013); translation from Algebra Logika 52, No. 4, 502-525 (2013). MSC: 20F18 20F70 20E07 20E10 PDFBibTeX XMLCite \textit{V. A. Roman'kov} and \textit{N. G. Khisamiev}, Algebra Logic 52, No. 4, 336--351 (2013; Zbl 1330.20049); translation from Algebra Logika 52, No. 4, 502--525 (2013) Full Text: DOI
Serdyukova, N. A. Generalizations of purity. (English. Russian original) Zbl 0776.20016 Algebra Logic 30, No. 4, 282-296 (1991); translation from Algebra Logika 30, No. 4, 432-456 (1991). Reviewer: L.Bican (Praha) MSC: 20J05 20K35 20E22 20E18 20E07 PDFBibTeX XMLCite \textit{N. A. Serdyukova}, Algebra Logic 30, No. 4, 282--296 (1991; Zbl 0776.20016); translation from Algebra Logika 30, No. 4, 432--456 (1991) Full Text: DOI