@article{DAN_1968_179_1_a5,
     author = {V. Z. Polyakov},
     title = {Uniformities on $X$ and topologies on $\mathfrak{H}(\mathfrak{H}(X))$},
     journal = {Doklady Akademii Nauk},
     pages = {28--29},
     publisher = {mathdoc},
     volume = {179},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a5/}
}