MathSciNet bibliographic data MR28861 (10,510e) 10.0X Campbell, R. C. A simple solution of the Diophantine equation \$x\sp 3+y\sp 3=z\sp 2+t\sp 2\$$x\sp 3+y\sp 3=z\sp 2+t\sp 2$. Bull. Amer. Math. Soc. 55, (1949). 442–446. Article

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