Stegantseva, P.G. and Skryabina, A.V. (2021) “Topologies on the $n$-element set that consistent with close to the discrete topologies on $(n −1)$-element set”, Ukrains’kyi Matematychnyi Zhurnal, 73(2), pp. 238–248. doi:10.37863/umzh.v73i2.6174.