@article{DAN_1969_188_2_a6,
     author = {N. S. Lashnev},
     title = {Perfect irreducible mappings of completely regular spaces},
     journal = {Doklady Akademii Nauk},
     pages = {282--285},
     publisher = {mathdoc},
     volume = {188},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_2_a6/}
}