Keldysh, L. V.: Некоторые теоремы о топологическом вложении.
(Russian) [Some thorems on a topological embedding].
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. [230]-234
