TY - JOUR T1 - Memoir on the Conditions for the Existence of Given Systems of Equalities among the Roots of an Equation. JF - Proceedings of the Royal Society of London (1854-1905) VL - 8 SP - 324 EP - 325 PY - 1856/01/01/ UR - http://dx.doi.org/10.1098/rspl.1856.0085 M3 - doi:10.1098/rspl.1856.0085 AU - Cayley, A. ER -