%0 Journal Article %A N. S. Romanovskii %T Divisible rigid groups. IV. Definable subgroups %J Algebra i logika %D 2020 %P 344-366 %V 59 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2020_59_3_a5/ %G ru %F AL_2020_59_3_a5