TY  - JOUR
T1  - On the Nature of Negative and of Imaginary Quantities
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 121
SP  - 91
EP  - 97
PY  - 1831/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1831.0006
M3  - doi:10.1098/rstl.1831.0006
AU  - Gilbert, D.
ER  -
