TY  - JOUR
T1  - On the Porism of the In-And-Circumscribed Polygon
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 151
SP  - 225
EP  - 239
PY  - 1861/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1861.0012
M3  - doi:10.1098/rstl.1861.0012
AU  - Cayley, A.
ER  -