@article{10_21136_MB_2009_140653,
     author = {Song, Yankui},
     title = {On relatively almost {Lindel\"of} subsets},
     journal = {Mathematica Bohemica},
     pages = {183--190},
     publisher = {mathdoc},
     volume = {134},
     number = {2},
     year = {2009},
     doi = {10.21136/MB.2009.140653},
     mrnumber = {2535146},
     zbl = {1212.54079},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2009.140653/}
}