%0 Journal Article %A Bella, Angelo %A Spadaro, Santi %T A Common Extension of Arhangel’skĭ’s Theorem and the Hajnal–Juhász Inequality %J Canadian mathematical bulletin %D 2020 %P 197-203 %V 63 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000420/ %R 10.4153/S0008439519000420 %F 10_4153_S0008439519000420