@article{ZNSL_1995_231_a4,
     author = {T. V. Burova},
     title = {Topological characteristics of free bases of topological groups and topological vector spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {76--87},
     publisher = {mathdoc},
     volume = {231},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1995_231_a4/}
}