TY - JOUR T1 - On the Necessary Truth of Certain Conclusions Obtained by means of Imaginary Quantities JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 91 SP - 89 EP - 119 PY - 1801/01/01/ UR - http://dx.doi.org/10.1098/rstl.1801.0005 M3 - doi:10.1098/rstl.1801.0005 AU - Woodhouse, R. ER -