@article{10_4064_fm_109_3_211_216,
     author = {Ratislav Telg\'arsky and Yukinobu Yajima},
     title = {On order locally finite and closure-preserving covers},
     journal = {Fundamenta Mathematicae},
     pages = {211--216},
     publisher = {mathdoc},
     volume = {109},
     number = {3},
     year = {1980},
     doi = {10.4064/fm-109-3-211-216},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-109-3-211-216/}
}