@article{EMJ_2021_12_2_a10,
     author = {A. A. Zaitov and D. I. Jumaev},
     title = {Hyperspace of the $\Pi$-complete spaces and maps},
     journal = {Eurasian mathematical journal},
     pages = {104--110},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2021_12_2_a10/}
}