@article{1183513750,
author = {Campbell, R. C.},
title = {A simple solution of the diophantine equation $x^3 + y^3 = z^2 + t^2$},
journal = {Bull. Amer. Math. Soc.},
volume = {55},
number = {12},
year = {1949},
pages = { 442-446},
language = {en},
url = {http://dml.mathdoc.fr/item/1183513750}
}
Campbell, R. C. A simple solution of the diophantine equation $x^3 + y^3 = z^2 + t^2$. Bull. Amer. Math. Soc., Tome 55 (1949) no. 12, pp. 442-446. http://gdmltest.u-ga.fr/item/1183513750/