%0 Journal Article %A Wenqin Xu %A Shaofei Du %A Jin Ho Kwak %A Jian Lei %A Kaina Shi %T On nilpotent orientably-regular maps of nilpotency class \(4\) %J The electronic journal of combinatorics %D 2022 %V 29 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/7786/ %R 10.37236/7786 %F 10_37236_7786