%0 Journal Article %A Wenchang Chu %T Four double series involving ΞΆ(3) %J Filomat %D 2023 %P 3305 %V 37 %N 10 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2310305C/ %R 10.2298/FIL2310305C %G en %F 10_2298_FIL2310305C