@article{NSJOM_1999_29_1a_19, author = {I. Kova\v{c}evi\'c}, title = {Some properties of subsets, almost closed mappings and paracompactness}, journal = {Novi Sad Journal of Mathematics}, pages = {177-184}, publisher = {mathdoc}, volume = {29}, number = {1}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_1a_19/} }