Sadovskij, L. E.; Arshinov, M. N. Über die strukturelle Definierbarkeit von Amalgamen. (Russian) Zbl 0287.20032 Tr. Mosk. Mat. Obshch. 29, 207-213 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 20E15 Chains and lattices of subgroups, subnormal subgroups PDFBibTeX XMLCite \textit{L. E. Sadovskij} and \textit{M. N. Arshinov}, Tr. Mosk. Mat. O.-va 29, 207--213 (1973; Zbl 0287.20032)