@article{10_4153_S0008414X24000385,
     author = {Chen, Qian and Wang, Yu},
     title = {The {Waring} problem for upper triangular matrix algebras},
     journal = {Canadian journal of mathematics},
     pages = {1398--1424},
     year = {2025},
     volume = {77},
     number = {4},
     doi = {10.4153/S0008414X24000385},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X24000385/}
}