@article{1195511167, author = {Terai, Nobuhiro}, title = {The Diophantine equation $a^x + b^y = c^z$}, journal = {Proc. Japan Acad. Ser. A Math. Sci.}, volume = {70}, number = {10}, year = {1994}, pages = { 22-26}, language = {en}, url = {http://dml.mathdoc.fr/item/1195511167} }
Terai, Nobuhiro. The Diophantine equation $a^x + b^y = c^z$. Proc. Japan Acad. Ser. A Math. Sci., Tome 70 (1994) no. 10, pp. 22-26. http://gdmltest.u-ga.fr/item/1195511167/