On the diophantine Frobenius problem.
On the Galois groups of cubics and trinomials
On the linear diophantine problem of Frobenius.
On the linear diophantine problem of Frobenius in three variables.
On the non-existence of abelian conditions governing solvability of the - 1 Pell equation.
On the number of representations of an integer by a linear form.
On the set of solutions of the system
A proof is given that the system in the title has infinitely many solutions of the form , where and are rational numbers.