@article{10_4064_aa_43_3_227_243,
     author = {R. Cook},
     title = {Pairs of additive equations {IV.} {Sextic} equations},
     journal = {Acta Arithmetica},
     pages = {227--243},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1983},
     doi = {10.4064/aa-43-3-227-243},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-43-3-227-243/}
}