A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is
Some stronger versions of the Effros theorem are discussed in the paper, not only for homeomorphisms but also for some other mappings, e.g. for open ones. Equivalent formulations of the theorem are presented as the e-push property and the existence of a so-called Effros' metric.doi:10.1090/s0002-9947-1986-0860381-9 fatcat:jzcmergq3vafvkknuf5bowk6pa