@article{CRMATH_2018__356_2_121_0,
     author = {Chen, Yong-Gao},
     title = {On {\protect\emph{A}\protect\emph{P}\protect\textsubscript{3}-covering} sequences},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {121--124},
     publisher = {Elsevier},
     volume = {356},
     number = {2},
     year = {2018},
     doi = {10.1016/j.crma.2017.12.013},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2017.12.013/}
}