Rosas, E., Carpintero, C., Salas, M., Sanabria, J. and Vásquez, L. 2017. Almost ω-continuous functions defined by ω-open sets due to Arhangel‘ski ̆ı. CUBO, A Mathematical Journal. 19, 1 (Mar. 2017), 1–15. DOI:https://doi.org/10.4067/S0719-06462017000100001.