@article{1997-koyama ,note={URL: {\tt http://www.ams.org/journal-getitem?pii=S0025571897008302}} ,author={Kenji Koyama and Yukio Tsuruoka and Hiroshi Sekigawa} ,ISSN={0025--5718} ,journal={Mathematics of Computation} ,MR={97m:11041} ,pages={841--851} ,title={{On searching for solutions of the Diophantine equation $x^3+y^3+z^3=n$}} ,volume={66} ,year={1997} }