History of the Theory of Numbers, Volumes 2-3

a₁ Acad Algebra Amer Archiv Math Arith biquadrates coefficients Comm Comptes Rendus Paris congruences congruent number continued fraction cubes Diophantus divided divisible divisors equal equation Euler expressed Fermat Fermat's last theorem formula French transl functions gave Genocchi Gérardin gives Hence Heron triangle hypotenuse Ibid infinitude integers Jour L'intermédiaire des math linear Mém method multiply noted Nouv number of partitions number of representations obtained odd number odd prime Oeuvres papers Pell equation Phys positive integers positive integral solutions proof proved quadratic forms quadratic residue Quest quotient rational quadrilaterals rational triangles relatively prime result right triangle roots sets of solutions sides solvable solved Sphinx-Oedipe sum of three theorem three numbers three squares treated triangular numbers unity values whence