Cleavability and divisibility over developable spaces Filippo Cammaroto (1996) Commentationes Mathematicae Universitatis Carolinae Some results on cleavability theory are presented. We also show some new [16]'s results.
Completeness properties designed for recognizing Baire spaces [Book] Aarts J. M., Lutzer D. J. (1974)
Concerning Splittability and Perfect Mappings A. V. Arhangel'skii, Ljubiša Kočinac (1990) Publications de l'Institut Mathématique