@article{VMUMM_1986_4_a12,
     author = {Nguyen Huy Viet},
     title = {Fixed points of many-valued mappings of subsymmetrizable topological spaces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {69--70},
     year = {1986},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_4_a12/}
}