@article{SEMR_2010_7_a33,
     author = {Sh. Xia},
     title = {Characterizations of spaces with $\sigma$-locally countable $sn$-networks},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {480--486},
     year = {2010},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2010_7_a33/}
}