@article{10_4064_aa_48_4_373_377,
     author = {Ernst Seimer},
     title = {On {Waring's} problem for squares},
     journal = {Acta Arithmetica},
     pages = {373--377},
     year = {1987},
     volume = {48},
     number = {4},
     doi = {10.4064/aa-48-4-373-377},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-48-4-373-377/}
}