@article{10_4153_CJM_2010_067_3,
     author = {Br\"udern, J\"org and Wooley, Trevor D.},
     title = {Asymptotic {Formulae} for {Pairs} of {Diagonal} {Cubic} {Equations}},
     journal = {Canadian journal of mathematics},
     pages = {38--54},
     year = {2011},
     volume = {63},
     number = {1},
     doi = {10.4153/CJM-2010-067-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-067-3/}
}