TY - JOUR T1 - On the Necessary Truth of Certain Conclusions Obtained by Means of Imaginary Quantities. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 1 SP - 39 EP - 40 PY - 1800/01/01/ UR - http://dx.doi.org/10.1098/rspl.1800.0022 M3 - doi:10.1098/rspl.1800.0022 AU - Woodhouse, R. ER -