@article{10_4064_fm192_2_2,
     author = {Zhongqiang Yang and Dongsheng Zhao},
     title = {Reflexive families of closed sets},
     journal = {Fundamenta Mathematicae},
     pages = {111--120},
     publisher = {mathdoc},
     volume = {192},
     number = {2},
     year = {2006},
     doi = {10.4064/fm192-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm192-2-2/}
}