@article{IM2_2021_85_6_a3,
     author = {R. I. Grigorchuk and P.-H. Leemann and T. V. Nagnibeda},
     title = {Finitely generated subgroups of branch groups and subdirect products of just infinite groups},
     journal = {Izvestiya. Mathematics },
     pages = {1128--1145},
     publisher = {mathdoc},
     volume = {85},
     number = {6},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2021_85_6_a3/}
}