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Franciosi, S. B., De Giovanni, F., Sysak, Y. P. Groups with many polycyclic-by-nilpotent subgroups. Ricerche di Matematica 48 (1999), pp. 361-378
Article author: Franciosi, Silvana Barbara and De Giovanni, Francesco and Sysak, Yaroslav Prokopovych
Full citation: Franciosi, S. B., De Giovanni, F., Sysak, Y. P. Groups with many polycyclic-by-nilpotent subgroups. Ricerche di Matematica 48 (1999), pp. 361-378