References
- W. Hurewicz, Über die Verallgemeinerung des Borelschen Theorems, Mathematische Zeitschrift 24 (1925), 401–425. doi: https://doi.org/10.1007/BF01216792
- Lj.D.R. Kočinac, Variations of classical selection principles: An overview, Quaestiones Mathematicae, https://doi.org/https://doi.org/10.2989/16073606.2019.1601646.
- S. Singh, Remarks on set-Menger and related properties, preprint.