Integer Solutions, Rational Solutions of the Equations x4+y4+z4-2x2y2-2y2z2-2z2x2=n and x2+y4+z4-2xy2-2xz2-2y2z2=n - And Crux Mathematicorum Contest Corner Problem CC24

Konstantine Zelator
2013 The Bulletin of Society for Mathematical Services and Standards  
doi:10.18052/www.scipress.com/bsmass.7.23 fatcat:dy4zxlbhjnd7tizmjeij2vfihu