@article{VMUMM_1988_6_a3,
     author = {R. \`E. Mirzakhanyan},
     title = {The infinite iteration of the hyperspace functor},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {14--17},
     publisher = {mathdoc},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a3/}
}