@article{10_4064_aa104_2_5,
     author = {Myung-Hwan Kim and Byeong-Kweon Oh},
     title = {Bounds for quadratic {Waring's} problem},
     journal = {Acta Arithmetica},
     pages = {155--164},
     publisher = {mathdoc},
     volume = {104},
     number = {2},
     year = {2002},
     doi = {10.4064/aa104-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa104-2-5/}
}