@article{AL_2021_60_3_a1,
     author = {A. V. Vasilev and I. N. Ponomarenko},
     title = {The closures of wreath products in product action},
     journal = {Algebra i logika},
     pages = {286--297},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2021_60_3_a1/}
}