@article{MZ_1987__194_173855,
     author = {Ming-Chit Liu},
     title = {An {Improved} {Bound} for {Prime} {Solutions} of {Some} {Ternary} {Equations.}},
     journal = {Mathematische Zeitschrift},
     pages = {573--584},
     year = {1987},
     volume = {194},
     zbl = {0602.10040},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__194_173855/}
}