@article{10_21136_CMJ_2018_0316_17,
     author = {Mu, Quanwu and Zhu, Minhui and Li, Ping},
     title = {A {Diophantine} inequality with four squares and one $k$th power of primes},
     journal = {Czechoslovak Mathematical Journal},
     pages = {353--363},
     publisher = {mathdoc},
     volume = {69},
     number = {2},
     year = {2019},
     doi = {10.21136/CMJ.2018.0316-17},
     mrnumber = {3959949},
     zbl = {07088789},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0316-17/}
}