@article{oai:tsukuba.repo.nii.ac.jp:00017130,
 author = {Brudern, Jorg and Wooley, Trevor D.},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {387--417},
 title = {On Waring's problem : two cubes and seven biquadrates},
 volume = {24},
 year = {2000}
}