Kolibiar, M.: Bemerkungen über Intervalltopologie in halbgeordneten Mengen.
(German) [Remarks on interval topology in semiordered sets].
In:
General Topology and its Relations to Modern Analysis and Algebra.
Proceedings of the symposium held in Prague in September 1961.
Academia Publishing House of the Czechoslovak Academy of Sciences, Prague, 1962.
pp. [252]-253
