@article{10_4064_fm_76_1_29_41,
     author = {J. Hunt},
     title = {On semi-closed sets and semi-open sets and their applications},
     journal = {Fundamenta Mathematicae},
     pages = {29--41},
     publisher = {mathdoc},
     volume = {76},
     number = {1},
     year = {1972},
     doi = {10.4064/fm-76-1-29-41},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-76-1-29-41/}
}