(1)
Stegantseva, P. G.; Skryabina, A. V. Topologies on the $n$-Element Set That Consistent With Close to the Discrete Topologies on $(n −1)$-Element Set. Ukr. Mat. Zhurn. 2021, 73 (2), 238-248. https://doi.org/10.37863/umzh.v73i2.6174.