Stably solvable groups
Izvestiya. Mathematics , Tome 3 (1969) no. 4, pp. 723-736.

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It is proved that in the class of radical groups containing solvable subgroups of some class $s$, the descending chain condition for subgroups is equivalent to the descending chain condition for solvable subgroups of class $s$.
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D. I. Zaitsev. Stably solvable groups. Izvestiya. Mathematics , Tome 3 (1969) no. 4, pp. 723-736. http://geodesic.mathdoc.fr/item/IM2_1969_3_4_a3/

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