@article{ADM_2019_27_1_a5,
     author = {M. Yasir Kizmaz},
     title = {On the number of topologies on a finite set},
     journal = {Algebra and discrete mathematics},
     pages = {50--57},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2019_27_1_a5/}
}