\bib{1997/koyama} \yr 1997 \mr 97m:11041 \by Kenji Koyama \by Yukio Tsuruoka \by Hiroshi Sekigawa \paper On searching for solutions of the Diophantine equation $x^3+y^3+z^3=n$ \jour Mathematics of Computation \issn 0025--5718 \vol 66 \pages 841--851 \url http://www.ams.org/journal-getitem?pii=S0025571897008302 \endref