Bondarenko, V.M. and Styopochkina, M.V. (2020) “Strengthening of a theorem on Coxeter–Euclidean type of principal partially ordered sets”, Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, (4), pp. 8–15. doi:10.17721/1812-5409.2018/4.1.