@article { Gutman20031114,
author = "Gutman A.E. and Sotnikov A.I.",
title = "On order complete sigma-algebras",
journal = "Sci. Proc. TyvSU. Kyzyl: TyvSU",
year = "2003",
volume = "1",
pages = "83--86",
language = "russian",
annote = "A criterion is obtained for existence of a $\sigma$-algebra $\Sigma$ of subsets of a given set $X$ such that $\Sigma$ is order complete and atomic, but is not discrete, i.e., $\Sigma$ does not coincide with the totality of the unions of various subsets of some partition of $X$."
}