@article{10_21136_CMJ_2021_0210_20,
     author = {Cai, Tianxin and Zhang, Yong},
     title = {A variety of {Euler's} sum of powers conjecture},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1099--1113},
     publisher = {mathdoc},
     volume = {71},
     number = {4},
     year = {2021},
     doi = {10.21136/CMJ.2021.0210-20},
     mrnumber = {4339113},
     zbl = {07442476},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0210-20/}
}