@article{DAN_1969_189_1_a10,
     author = {Yu. N. Mukhin},
     title = {Endomorphisms of the lattice of the closed subgroups of a topological group},
     journal = {Doklady Akademii Nauk},
     pages = {42--44},
     publisher = {mathdoc},
     volume = {189},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_1_a10/}
}