TY - JOUR T1 - An Inquiry into Newton's Rule for the Discovery of Imaginary Roots. JF - Proceedings of the Royal Society of London (1854-1905) VL - 13 SP - 179 EP - 183 PY - 1863/01/01/ UR - http://dx.doi.org/10.1098/rspl.1863.0044 M3 - doi:10.1098/rspl.1863.0044 AU - Sylvester, J. ER -