@article{MM2_1992__74_2_155699,
     author = {K.-K. Choi and M.-C. Liu and K.-M. Tsang},
     title = {Conditional bounds for small prime solutions of linear equations.},
     journal = {Manuscripta mathematica},
     pages = {321--340},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1992},
     zbl = {0753.11033},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__74_2_155699/}
}